How to make directaccess windows server 2012 access the IPv4 link

HI all,
I have built a directaccess for win7 with IPv4 only intrant successfully,and it work's good.but here is a problem that I can't access the IPv4 link,for example I can access
http://www.test.com ,but I can't access the url http://192.168.13.13 .I have many links use IPv4 address,so I can't access these resources through directaccess,what should
I do to make it works.

Hi,
Direct Access is an IPv6 technology. Clients send only IPv6 packets to DirectAccess server. We need an IPv6/IPv4 translator here.
Choose Solutions for IPv4-only Intranet Resources
http://technet.microsoft.com/en-us/library/ee382298(v=ws.10).aspx
And in windows server 2012 we have built-in NAT64 and DNS64.
Windows Server 2012 Direct Access – Part 1 What’s New
http://blogs.technet.com/b/meamcs/archive/2012/05/03/windows-server-2012-direct-access-part-1-what-s-new.aspx
Hope this helps.

Similar Messages

On Windows Server 2012 R2 the option "Show my desktop background on Start" is disabled

Since this thread is
inactive, I am starting a new one.
On windows server 2012 R2, under the taskbar properties, the option to display desktop background on start is disabled and I have not found a way to enable the same.
Please suggest, how this can be enabled.
With regards

You should take a look at this thread. They still haven't figured it out yet though, I don't believe it is possible at the moment on server 2012 even with desktop experience installed.
http://social.technet.microsoft.com/Forums/windowsserver/en-US/9e26b0d5-e586-45b6-91bf-540a72dd36fc/on-windows-server-2012-r2-the-show-my-desktop-background-on-start-is-grayed-out?forum=winservergen
http://WrinkleFreeIT.com/

DirectAccess Windows Server 2012 R2 and Windows 8.1 - status connecting

I've successfully deployed DirectAccess on Windows Server 2012 R2 in a 2 node NLB cluster. Everything in the console is green and I can see clients connecting.
Windows 7 clients can connect and with the DirectAccess connectivity assistant installed show as connected and I can access resources.
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Hi,
You current information hardly determine which part may occur error, I found the similar symptom on the following third party article, may can give you some help.
The similar issue third party article:
Windows 8 DirectAccess client keeps saying "Connecting"
http://tfs.letsblog.it/post/2013/07/10/Windows-8-DirectAccess-client-keeps-saying-Connecting.aspx
More information:
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http://blogs.technet.com/b/networking/archive/2012/12/20/the-network-connection-status-icon.aspx
Hope this helps.
We
are trying to better understand customer views on social support experience, so your participation in this
interview project would be greatly appreciated if you have time.
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How can I upgrade Windows Server 2012 Essentials to Windows Server 2012 R2 Essentials?

I have just installed Windows Server 2012 Essentials on my Home Network (from the installation DVD). I have done absolutely no configuration Installing Server 2012 was an oversight; I meant to install Server 2012 R2 Essentials.
I tried to correct by installing R2 from its DVD, hoping it would do an upgrade. That didn't work.
Is there a simple way to make it possible to install the correct OS?   For example, can I just demote the existing server and remove any roles that were installed, so that the R2 disk will install over top of the existing installation?
Alternatively, is it safe to just reformat the partition and install R2?
http://technet.microsoft.com/en-us/library/dn408635.aspx seems to imply that this is OK.
David Pike, P.Eng, MCITP

Hi Larry.   Thanks for the reply. It didn't work, but I don't believe you are wrong. Rather I think there is something weird in my system. I'm marking your reply as answer.
Some background: I'm repurposing an older PC (Compaq SR1614X) as a home server, to manage my home network, use as a gateway to my Azure server, and to help my Server 2012 training (on MVA). I've been messing with it for nearly two months,
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So when it didn't work, I spent most of yesterday trying various different procedures. I got tantalizingly close, but still no cigar.
I can install any Windows Client and Server 2012 Essentials, but the R2 Essentials installation never finishes; it goes into an "error 0x000000C4" boot loop. At first I wondered if it was because I was installing a server over a
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I have a bad installation disk
There is a hardware issue
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For (2), I had suspected that the problem was that the older system has no UEFI, but since R1 installs OK, I am discounting that. Today's effort: to eliminate the DVD drive, I will try booting from a Flash Drive. To eliminate
the hard drive, I will try installing to a different drive.
I am hoping you can help with one more thing. When I run setup.exe with the /noreboot option, I have a better chance of success. The option suppresses the first reboot only, but that one (after "Expanding the setup files") always
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Install GoDaddy SSL Certificate to Windows Server 2012 - Access Anywhere

I would like to activate Access Anywhere on my windows server 2012 essentials. I went through the guided steps and purchased a SSL certificate from Godaddy. Godaddy doesn't offer support regarding the correct installation process of their certificates
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Anywhere functioning on my server, the usefulness of the server greatly decreases. Your assistance is greatly appreciated. Thanks.

All you need is the standard, lowest level, single domain, no email, no bells, no whistles, no UCC. Just a simple SSL cert. Even SBS standard which adds email to the RWA feature, only requires that, thanks to the magic of the dev. team.
Larry Struckmeyer[SBS-MVP] If your question is answered, please mark the response as the answer so that others can benefit.

How can I istall Windows Server 2012 on a computer with Windows Home Server

I have troubles to install Windows Server 2012 R2. Quite in the beginning of the install I get the following announcement:
"Remove the installation media and restart your Computer so that Windows starts normally. Then, insert the installation media and restart the Computer."
In the first resrart Windows Home Server is starting and I can't go on installing Server 2012.
How can I bypass this problem?
Best regards
Nikorios
Nikorios

Hello,
on the Windows Core machine itself follow:
Determine the index number for a Server with a GUI image (for example, SERVERDATACENTER, not SERVERDATACENTERCORE) with Get-WindowsImage-ImagePath<path to wim>\install.wim.
•Run Install-WindowsFeatureServer-Gui-Mgmt-Infra,Server-Gui-Shell –Restart –Source c:\mountdir\windows\winsxs
Best regards
Meinolf Weber
MVP, MCP, MCTS
Microsoft MVP - Directory Services
My Blog: http://blogs.msmvps.com/MWeber
Disclaimer: This posting is provided AS IS with no warranties or guarantees and confers no rights.
Twitter:

Windows Server 2012 R2 "The password is incorrect. Try again."

Hi,
I tried to login to my Windows Server 2012 R2 and I got this message "The password is incorrect. Try again." Although the username and password are absolutely correct.
Any thoughts. Thanks.

Hi,
I have been investigating this behavior for a while, I am wondering that have you migrated your domain from 2003 to 2012 recently?
Because I can reproduce this issue by migrating a Windows Server 2003 domain to Windows Server 2012 domain, after the Domain Controller changes its password.
Here are some similar threads below about this issue, which got me testing this behavior in the first place:
DC - refuses administrator log on
http://social.technet.microsoft.com/Forums/windowsserver/en-US/e16fcdda-8e5a-4b30-bbe0-d847bcb68b4e/dc-refuses-administrator-log-on?forum=winserverDS
KRB_AP_ERR_MODIFIED 4 Random on Member Server in upgraded Domain 2003 to 2012 R2
http://social.technet.microsoft.com/Forums/windowsserver/en-US/4d8a4018-5969-4c6c-99b1-b446711e1dd4/krbaperrmodified-4-random-on-member-server-in-upgraded-domain-2003-to-2012-r2?forum=winserverDS
I am still trying to figure out how and why this issue happens, and consulting with some experts. I will keep you posted once I have progress.
Have a nice day!
Amy

On Windows Server 2012 R2 the "Show my desktop background on Start" is grayed out

Hi
As shown below, the new 8.1/2012R2 function "Show my desktop background on Start" is not available on Windows Server 2012 R2.
I have tried multiple solutions:
- Activate OS (In Win 8.1 - the feature is unavailable when Win8.1 is not activated)
- Install Desktop Experience
- Playing with the registry key "Subkey: HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent Entry:
MotionAccentId_v1.00
But no luck. Does anyone have a solution.
The reason why I need this is, that I am building a Remote Desktop solution, and here we want to give users the same experience as from their desktops.
Looking forward to some exciting feedback.
Regards,
Mr. Thomas

Hi,
I am trying to involve someone to further look at this issue. There might be some time delay. Appreciate your patience.
Thank you for your understanding and support.
Jeremy Wu
TechNet Community Support
Jeremy,
I, too, am facing this issue.
Do we have any update on this?
With regards
With regards

How to RDP access my Windows server 2012 system with Windows 7 system

In the VMWARE workstation, I have a " Windows server 2012" & " WIndows 7" OS deployed. I am not able to RDP the " Windows server 2012" from "Windows 7" system even though i have performed the below step.
1. Enabled the " Allow Remote Connections to this comptuter " in windows server 2012
2. Disabled the firewall in Windows server 2012.
Can someone advice me on the below.
1. How to RDP my windows server 2012 from my Windows 7 with " Firewall disabled" & "Firewall Enabled" conditions

Hi,
Just make sure that the firewall is disabled in all three profiles Domain/Private/Public.
Create a incoming UDP rule on firewall to allow port 3389 and give a try.
http://social.technet.microsoft.com/Forums/windowsserver/en-US/b1ec4602-7120-4660-a1ba-e05289a479cf/windows-2012-r2-firewall-blocking-remote-desktop?forum=winserverTS
Regards,
Rafic
If you found this post helpful, please give it a "Helpful" vote.
If it answered your question, remember to mark it as an "Answer".
This posting is provided "AS IS" with no warranties and confers no rights! Always test ANY suggestion in a test environment before implementing!

0x8056530b error enabling disk deduplication on Windows Server 2012 R2 Volume - any ideas why or how to fix?

I'm getting the following error when trying to enable disk de-duplication on a volume on my Windows 2012 R2 file server. The error is:
"There was an error updating Data Deduplication on volume: MSFT_DedupVolume.Volume='\\?\Volume{8dfc4322-9997-11e3-93f5-005056a84b9b}\' - HRESULT 0x8056530b, The specified volume type is not supported. Deduplication is supported on fixed, write-enabled
NTFS data volumes and CSV backed by NTFS data volumes."
The volume in question is a 1TB VMFS volume mounted to the virtual machine that is the Windows file server. I could find no info anywhere that references this error as it relates to a standard mounted volume or VMware or VMFS.
Any ideas on what could be the problem or how to fix it? I could find nothing in the log files other than an entry which is basically a repeat of the error above.
Any help would be greatly appreciated.
- ADEHART
P.S. This is a volume that was previously mounted on an older Windows 2003 server. Not sure if that may make a difference.

have you compared this issue to the ones that are successful and compared what is different?
Have you made sure of the following:
Servers
See the following list for server requirements for deduplication:
• Server hardware should meet the minimum requirements for running Windows Server 2012. The deduplication feature was designed to support minimal configurations such as a single processor system with 4 GB of RAM and one SATA hard disk drive.
• If you plan to support deduplication on multiple volumes on the same server, you need to plan an appropriately size for the system to ensure that it can process the data. The general rule is that the server needs 1 CPU-core and 350 MB of free memory to run a deduplication job on a single volume, and that job can process about 100 GB per hour or around 2 TB per day. Deduplication scales with additional CPU core processors and available memory to enable parallel processing of multiple volumes.
For example: If you have a server with 16 CPU core processors and 16 GB of memory, deduplication uses 25% of the system memory in the default Background Processing mode, and in this case, that would be 4 GB. If you divide by 350 MB, you can calculate that the server could process about 11 volumes at a time. If you add 8 GB of memory, the system could process 17 volumes at a time. If you set an optimization job to run in Throughput mode, the system will use up to 50% of the system’s memory for the optimization job.
• Data Deduplication supports up to 90 volumes at a time; however, deduplication can simultaneously process one volume per physical CPU core processor plus one. Hyper-threading does not impact this because only physical core processors can be used to process a volume. A system with 16 CPU core processors and 90 volumes will process 17 volumes at a time until all 90 volumes are done, if there is sufficient memory.
• Virtual server instances should follow the same guidance as physical hardware regarding server resources.
Volumes
Volumes that are candidates for deduplication must conform to the following requirements:
• Must not be a system or boot volume. Deduplication is not supported on operating system volumes.
• Can be partitioned as a master boot record (MBR) or a GUID Partition Table (GPT), and must be formatted using the NTFS file system.
• Can reside on shared storage, such as storage that uses a Fibre Channel or an SAS array, or when an iSCSI SAN and Windows Failover Clustering is fully supported.
• Do not rely on Cluster Shared Volumes (CSVs). You can access data if a deduplication-enabled volume is converted to a CSV, but you cannot continue to process files for deduplication.
• Do not rely on the Microsoft Resilient File System (ReFS).
• Can’t be larger than 64 TB in size.
• Must be exposed to the operating system as non-removable drives. Remotely-mapped drives are not supported.
Note
Files with extended attributes, encrypted files, files smaller than 32 KB, and reparse point files are not processed by deduplication.

Just FYI, new Windows Server 2012 R2 RRAS Multitenant Gateway Deployment Guide

New! Windows Server 2012 R2 RRAS Multitenant Gateway Deployment Guide
This new guide is available on the Web at
http://technet.microsoft.com/en-us/library/dn641937.aspx. It is also available for download in Word format at TechNet Gallery at
http://gallery.technet.microsoft.com/Windows-Server-2012-R2-37eb8e17
If you work for a Cloud Service Provider (CSP) or an organization that's planning on deploying cloud technologies, you might be interested in the new Windows Server 2012 R2 RRAS Multitenant Gateway Deployment Guide.
You may already know that in Windows Server® 2012 R2, the Remote Access server role includes the Routing and Remote Access Service (RRAS) role service. (It also includes DirectAccess and Web Application Proxy, however those role services will not be discussed
in this article.)
The new deployment guide demonstrates how to use Windows PowerShell to deploy RRAS as a virtual machine (VM)-based multitenant software gateway and Border Gateway Protocol (BGP) router that allows CSPs and Enterprises to enable datacenter and cloud network
traffic routing between virtual and physical networks, including the Internet.
You can use the gateway with VM networks by using either Hyper-V Network Virtualization or Virtual Local Area Networks (VLANs) - but using Network Virtualization is recommended due to VLAN limitations such as difficult management and a limited number of
available VLAN IDs.
If you're using System Center Virtual Machine Manager (SC VMM), you can use SC VMM to deploy Windows Server Gateway; however even if you are using SC VMM, you can manage the gateway with the same Windows PowerShell commands that are used for the RRAS Multitenant
Gateway. (Some Windows Server Gateway features are configurable only with Windows PowerShell.)
For information on deploying Windows Server Gateway with SCVMM, see the Test Lab Guide: Windows Server 2012 R2 Hyper-V Network Virtualization with System Center 2012 R2 VMM, at
http://www.microsoft.com/download/details.aspx?id=39284
With the RRAS Multitenant Gateway, you can create site-to-site VPN connections between your tenants' physical locations and your cloud datacenter. You can also provide tenants with point-to-site VPN connections that allow tenant Administrators to access
and manage their VM resources from anywhere. The RRAS Multitenant Gateway also allows you to configure Network Address Translation (NAT), so that tenant VMs can access the Internet, and you can deploy dynamic routing by configuring the gateway and tenant gateways
with BGP.
Thanks -
James McIllece

Hi,
It is very useful , thanks for your sharing .
Best Regards
Elton Ji
We
are trying to better understand customer views on social support experience, so your participation in this
interview project would be greatly appreciated if you have time.
Thanks for helping make community forums a great place.

Change Windows Server 2012 colors

Hi
Changing Windows Server 2012 colors is not possible by default without editing the registry.
The location within the registry to change the colors seems to be HKCU\Control Panel\Colors
But:
Comparing these registry entries in Windows Server 2012 with the same entries in Windows 8, which colors are totally different, it is surprising that all RGB color values are exactly identical.
I guess, that this registry part might be the one of previous Windows versions, while the current location to change Windows colors seem to have moved.
Where is the new location within the registry to change Windows Server 2012 colors?
Patrick

Hi,
As far as I know, the HKCU\Control Panel\Colors is still used for Windows 2012, it is same as Windows 8.
You can also find the registry “HKEY_CURRENT_USER\Control Panel\Desktop\Colors” to change the colors.
For more detailed information, please refer to this article:
How to Access “Advanced Appearance Settings” Option and Change Font Size, Color in Windows 8:
http://www.askvg.com/how-to-access-advanced-appearance-settings-option-to-change-text-size-in-windows-8/
In addition, the article maybe helpful for you to deal with
Windows Server 2012 colors:
How to set inactive title bar color in Windows 8:
http://answers.microsoft.com/en-us/windows/forum/windows_8-desktop/how-to-set-inactive-title-bar-color-in-windows-8/70315c3d-e984-4b5b-8ae9-0e1c6e3523eb?auth=1
I hope this helps.

Unable to Change Screen Resolution in Remote Session - Windows Server 2012 R2

Does anybody know of a way to allow Remote Desktop users to adjust their own screen resolution in a remote session under Windows Server 2012 R2? We are struggling with this and can't seem to find a solution.
When users login to their RDP session and try to adjust their screen resolution this message is displayed in Control Panel:
"The display settings can't be changed from a remote session."
We don't want to use the "make text and other items larger or smaller" scaling feature, as this produces undesirable results with some of our applications. We also don't want to have to support multiple types of RDP clients or RDP shortcut
files.
We have looked at other posts but can't find an answer that applies to Windows Server 2012 R2. The closest thing we could find is KB2726399, but it only applies to Server 2008.
Does anybody have a solution for Server 2012?
Thanks

Hi,
Currently you cannot change the resolution from within the session. This is normal and expected behavior.
Unfortunately this means you need to set the desired resolution before connecting by using custom .rdp files, manually within the Remote Desktop Client, custom web launch page, custom windows launch program, etc.
-TP

Error With Crystal Reports On Windows Server 2012

Hello,
I have a VB.NET exe application created in Visual Studio 2010 that prints a crystal report directly to the printer. On Windows Server 2008 it worked fine but it does not work on Windows Server 2012. The report was originally created in Crystal Reports 2011. I have read elsewhere that in order to run a Crystal Report on WS 2012 that it needs to be created using Crystal Reports for Visual Studio. So I installed the developer version of Crystal Reports for Visual Studio (v. 13.0.8.1216). I opened the report in Visual Studio and saved it. I then installed the CRRuntime_64bit_13_0_8.msi on the WS 2012. My vb.net exe has the CrystalDecisions assemblies shown below. When I try to run the exe I get the error below. Does anyone have any idea as to what I am doing wrong? Thank you for your input.
Unhandled Exception: System.TypeInitializationException: The type initializer for 'PrintWorkOrderAndDrawing.PrintWorkOrderAndDrawing' threw an exception. ---> System.TypeInitializationException: The type initializer for 'CrystalDecisions.CrystalReports.En
gine.ReportDocument' threw an exception. ---> CrystalDecisions.CrystalReports.Engine.LoadSaveReportException: An error has occurred while attempting to load the Crystal Reports runtime. Either the Crystal Reports registry key permissions are insufficient,
or the Crystal Reports runtime is not installed correctly. Please install the appropriate Crystal Reports redistributable (CRRedist*.msi) containing the correct version of the Crystal Reports runtime (x86, x64, or Itanium) required. Please go to http://
www.businessobjects.com/support for more information.
   at CrystalDecisions.CrystalReports.Engine.ReportDocument.CheckForCrystalReportsRuntime()
   at CrystalDecisions.CrystalReports.Engine.ReportDocument..cctor()
   --- End of inner exception stack trace ---
   at CrystalDecisions.CrystalReports.Engine.ReportDocument..ctor()

Hi Thomas
First the info re.;
I have read elsewhere that in order to run a Crystal Report on WS 2012 that it needs to be created using Crystal Reports for Visual Studio.
is incorrect. CRVS will run all reports down to CR 9 without issues. And even reports created in older versions will, for the most part, work just fine.
The error is rather strange as it normally indicates that an incorrect runtime has been installed. However in your case as you are using CR 13.0.8.1216 and the 64bit_13_0_8.msi that does not look to be the case. I would like you to double check the CR references in the project. Say, crystaldecisions.crystalreports.engine. It should be version 13.0.2000.0.
If that is confirmed, then we may be at the permissions mentioned in the error. And I'd use Process Monitor for that. Filter ProcMon for the app exe and run the app. Look at the logs for "Access denied" messages. In the log, look for CrystalDecisions.CrystalReports.Engine, see what the exe is doing with it. Where is it trying to load it from? Etc., etc.
- Ludek
Senior Support Engineer AGS Product Support, Global Support Center Canada
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Windows Server 2012 - Hyper-V - Cluster Sharded Storage - VHDX unexpectedly gets copied to System Volume Information by "System", Virtual Machines stops respondig

We have a problem with one of our deployments of Windows Server 2012 Hyper-V with a 2 node cluster connected to a iSCSI SAN.
Our setup:
Hosts - Both run Windows Server 2012 Standard and are clustered.
HP ProLiant G7, 24 GB RAM. This is the primary host and normaly all VMs run on this host.
HP ProLiant G5, 20 GB RAM. This is the secondary host that and is intended to be used in case of failure of the primary host.
We have no antivirus on the hosts and the scheduled ShadowCopy (previous version of files) is switched off.
iSCSI SAN:
QNAP NAS TS-869 Pro, 8 INTEL SSDSA2CW160G3 160 GB i a RAID 5 with a Host Spare. 2 Teamed NIC.
Switch:
DLINK DGS-1210-16 - Both the network cards of the Hosts that are dedicated to the Storage and the Storage itself are connected to the same switch and nothing else is connected to this switch.
Virtual Machines:
3 Windows Server 2012 Standard - 1 DC, 1 FileServer, 1 Application Server.
1 Windows Server 2008 Standard Exchange Server.
All VMs are using dynamic disks (as recommended by Microsoft).
Updates
We have applied the most resent updates to the Hosts, VMs and iSCSI SAN about 3 weeks ago with no change in our problem and we continually update the setup.
Normal operation:
Normally this setup works just fine and we see no real difference in speed in startup, file copy and processing speed in LoB applications of this setup compared to a single host with two 10000 RPM Disks. Normal network speed is 10-200 Mbit, but occasionally
we see speeds up to 400 Mbit/s of combined read/write for instance during file repair.
Our Problem:
Our problem is that for some reason a random VHDX gets copied to System Volume Information by "System" of the Clusterd Shared Storage (i.e. C:\ClusterStorage\Volume1\System Volume Information).
All VMs stops responding or responds very slowly during this copy process and you can for instance not send CTRL-ALT-DEL to a VM in the Hyper-V console, or for instance start task manager when already logged in.
This happens at random and not every day and different VHDX files from different VMs gets copied each time. Some time it happens during daytime wich causes a lot of problems, especially when a 200 GB file gets copied (which take a lot of time).
What it is not:
We thought that this was connected to the backup, but the backup had finished 3 hours before the last time this happended and the backup never uses any of the files in System Volume Information so it is not the backup.
An observation:
When this happend today I switched on ShadowCopy (previous files) and set it to only to use 320 MB of storage and then the Copy Process stopped and the virtual Machines started responding again. This could be unrelated since there is no way to see
how much of the VHDX that is left to be copied, so it might have been finished at the same time as I enabled ShadowCopy (previos files).
Our question:
Why is a VHDX copied to System Volume Information when scheduled ShadowCopy (previous version of files) is switched off? As far as I know, nothing should be copied to this folder when this functionis switched off?
List of VSS Writers:
vssadmin 1.1 - Volume Shadow Copy Service administrative command-line tool
(C) Copyright 2001-2012 Microsoft Corp.
Writer name: 'Task Scheduler Writer'
   Writer Id: {d61d61c8-d73a-4eee-8cdd-f6f9786b7124}
   Writer Instance Id: {1bddd48e-5052-49db-9b07-b96f96727e6b}
   State: [1] Stable
   Last error: No error
Writer name: 'VSS Metadata Store Writer'
   Writer Id: {75dfb225-e2e4-4d39-9ac9-ffaff65ddf06}
   Writer Instance Id: {088e7a7d-09a8-4cc6-a609-ad90e75ddc93}
   State: [1] Stable
   Last error: No error
Writer name: 'Performance Counters Writer'
   Writer Id: {0bada1de-01a9-4625-8278-69e735f39dd2}
   Writer Instance Id: {f0086dda-9efc-47c5-8eb6-a944c3d09381}
   State: [1] Stable
   Last error: No error
Writer name: 'System Writer'
   Writer Id: {e8132975-6f93-4464-a53e-1050253ae220}
   Writer Instance Id: {7848396d-00b1-47cd-8ba9-769b7ce402d2}
   State: [1] Stable
   Last error: No error
Writer name: 'Microsoft Hyper-V VSS Writer'
   Writer Id: {66841cd4-6ded-4f4b-8f17-fd23f8ddc3de}
   Writer Instance Id: {8b6c534a-18dd-4fff-b14e-1d4aebd1db74}
   State: [5] Waiting for completion
   Last error: No error
Writer name: 'Cluster Shared Volume VSS Writer'
   Writer Id: {1072ae1c-e5a7-4ea1-9e4a-6f7964656570}
   Writer Instance Id: {d46c6a69-8b4a-4307-afcf-ca3611c7f680}
   State: [1] Stable
   Last error: No error
Writer name: 'ASR Writer'
   Writer Id: {be000cbe-11fe-4426-9c58-531aa6355fc4}
   Writer Instance Id: {fc530484-71db-48c3-af5f-ef398070373e}
   State: [1] Stable
   Last error: No error
Writer name: 'WMI Writer'
   Writer Id: {a6ad56c2-b509-4e6c-bb19-49d8f43532f0}
   Writer Instance Id: {3792e26e-c0d0-4901-b799-2e8d9ffe2085}
   State: [1] Stable
   Last error: No error
Writer name: 'Registry Writer'
   Writer Id: {afbab4a2-367d-4d15-a586-71dbb18f8485}
   Writer Instance Id: {6ea65f92-e3fd-4a23-9e5f-b23de43bc756}
   State: [1] Stable
   Last error: No error
Writer name: 'BITS Writer'
   Writer Id: {4969d978-be47-48b0-b100-f328f07ac1e0}
   Writer Instance Id: {71dc7876-2089-472c-8fed-4b8862037528}
   State: [1] Stable
   Last error: No error
Writer name: 'Shadow Copy Optimization Writer'
   Writer Id: {4dc3bdd4-ab48-4d07-adb0-3bee2926fd7f}
   Writer Instance Id: {cb0c7fd8-1f5c-41bb-b2cc-82fabbdc466e}
   State: [1] Stable
   Last error: No error
Writer name: 'Cluster Database'
   Writer Id: {41e12264-35d8-479b-8e5c-9b23d1dad37e}
   Writer Instance Id: {23320f7e-f165-409d-8456-5d7d8fbaefed}
   State: [1] Stable
   Last error: No error
Writer name: 'COM+ REGDB Writer'
   Writer Id: {542da469-d3e1-473c-9f4f-7847f01fc64f}
   Writer Instance Id: {f23d0208-e569-48b0-ad30-1addb1a044af}
   State: [1] Stable
   Last error: No error
Please note:
Please only answer our question and do not offer any general optimization tips that do not directly adress the issue! We want the problem to go away, not to finish a bit faster!

Hallo Lawrence!
Thankyou for youre reply, some comments to help you and others who read this thread:
First of all, we use Windows Server 2012 and the VHDX as I wrote in the headline and in the text in my post. We have not had this problem in similar setups with Windows Server 2008 R2, so the problem seem to be introduced in Windows Server 2012.
These posts that you refer to seem to be outdated and/or do not apply to our configuration:
The post about Dynamic Disks:
http://technet.microsoft.com/en-us/library/ee941151(v=WS.10).aspx is only a recommendation for Windows Server 2008 R2 and the VHD format. Dynamic VHDX is indeed recommended by Microsoft when using Windows Server 2012 (please look in the optimization guide
for Windows Server 2012).
Infact, if we use fixed VHDX then we would have a bigger problem since fixed VHDX are generaly larger then Dynamic Disks, i.e. more data would be copied and that would take longer time = the VMs would be unresponsive for a longer time.
The post "What's the deal with the System Volume Information folder"
http://blogs.msdn.com/b/oldnewthing/archive/2003/11/20/55764.aspx is for Windows XP / Windows Server 2003 and some things has changed since then. for instance In Windows Server 2012, Shadow Copies cannot be controlled by going to Control panel -> System.
Instead you right-click on a Drive (i.e. a Volume, for instance the C drive/Volume) in Computer and then click "Configure Shadow Copies".
Windows Server 2008 R2 Backup problem
http://social.technet.microsoft.com/Forums/en/windowsbackup/thread/0fc53adb-477d-425b-8c99-ad006e132336 - This post is about the Antivirus software trying to scan files used during backup that exists in the System Volume Information folder and we do not
have any antivirus software installed on our hosts as I stated in my post.
Comment that might help us:
So according to “System Volume Information” definition, the operation you mentioned is Volume Shadow Copy. Check event viewer to find Volume Shadow Copy related event logs and post them.
Why?
Furhter investigation suggests that a volume shadow copy is somehow created even though the Schedule for Shadows Copies is turned off for all drives. This happens at random and we have not found any pattern. Yesterday this operation took almost all available
disk space (over 200 GB), but all the disk space was released when I turned on scheduled Shadow Copies for the CSV.
I therefore draw these conclusions:
The CSV Volume has about 600 GB of disk space and since Volume Shadows Copy used 200 GB, or about 33% of the disk space, and the default limit is 10% then I conclude that for some reason the unscheduled Volume Shadow Copy did not have any limit (or ignored
the limit).
When I turned on the Schedule I also change the limit to the minimum amount which is 320 MB and this is probably what released the disk space. That is, the unscheduled Volume Shadow Copy operation was aborted and it adhered to the limit and deleted the
Volume Shadow Copy it had taken.
I have also set the limit for Volume Shadow Copies for all other volumes to 320 MB by using the "Configure Shadow Copies" Window that you open by right clicking on a drive (volume) in Computer and then selecting "Configure Shadow Copies...".
It is important to note that setting a limit for Shadow Copy Storage, and disabaling the Schedule are two different things! It is possible to have unlimited storage for Shadow Copies when the Schedule is disabled, however I do not know if this was the case
Before I enabled Shadow Copies on the CSV since I did not look for this.
I now have defined a limit for Shadow Copy Storage to 320 MB on all drives and then no VHDX should be copied to System Volume Information since they are all larger than 320 MB.
Does this sound about right or am I drawing the wrong conclusions?
Limits for Shadow Copies:
Below we list the limits for our two hosts:
"Primary Host":
C:\>vssadmin list shadowstorage
vssadmin 1.1 - Volume Shadow Copy Service administrative command-line tool
(C) Copyright 2001-2012 Microsoft Corp.
Shadow Copy Storage association
   For volume: (\\?\Volume{e3ad7feb-178b-11e2-93e8-806e6f6e6963}\)\\?\Volume{e3ad7feb-178b-11e2-93e8-806e6f6e6963}\
   Shadow Copy Storage volume: (\\?\Volume{e3ad7feb-178b-11e2-93e8-806e6f6e6963}\)\\?\Volume{e3ad7feb-178b-11e2-93e8-806e6f6e6963}\
   Used Shadow Copy Storage space: 0 bytes (0%)
   Allocated Shadow Copy Storage space: 0 bytes (0%)
   Maximum Shadow Copy Storage space: 320 MB (91%)
Shadow Copy Storage association
   For volume: (E:)\\?\Volume{dc0a177b-ab03-44c2-8ff6-499b29c3d5cc}\
   Shadow Copy Storage volume: (E:)\\?\Volume{dc0a177b-ab03-44c2-8ff6-499b29c3d5cc}\
   Used Shadow Copy Storage space: 0 bytes (0%)
   Allocated Shadow Copy Storage space: 0 bytes (0%)
   Maximum Shadow Copy Storage space: 320 MB (0%)
Shadow Copy Storage association
   For volume: (G:)\\?\Volume{f58dc334-17be-11e2-93ee-9c8e991b7c20}\
   Shadow Copy Storage volume: (G:)\\?\Volume{f58dc334-17be-11e2-93ee-9c8e991b7c20}\
   Used Shadow Copy Storage space: 0 bytes (0%)
   Allocated Shadow Copy Storage space: 0 bytes (0%)
   Maximum Shadow Copy Storage space: 320 MB (3%)
Shadow Copy Storage association
   For volume: (C:)\\?\Volume{e3ad7fec-178b-11e2-93e8-806e6f6e6963}\
   Shadow Copy Storage volume: (C:)\\?\Volume{e3ad7fec-178b-11e2-93e8-806e6f6e6963}\
   Used Shadow Copy Storage space: 0 bytes (0%)
   Allocated Shadow Copy Storage space: 0 bytes (0%)
   Maximum Shadow Copy Storage space: 320 MB (0%)
C:\>cd \ClusterStorage\Volume1
Secondary host:
C:\>vssadmin list shadowstorage
vssadmin 1.1 - Volume Shadow Copy Service administrative command-line tool
(C) Copyright 2001-2012 Microsoft Corp.
Shadow Copy Storage association
   For volume: (\\?\Volume{b2951138-f01e-11e1-93e8-806e6f6e6963}\)\\?\Volume{b2951138-f01e-11e1-93e8-806e6f6e6963}\
   Shadow Copy Storage volume: (\\?\Volume{b2951138-f01e-11e1-93e8-806e6f6e6963}\)\\?\Volume{b2951138-f01e-11e1-93e8-806e6f6e6963}\
   Used Shadow Copy Storage space: 0 bytes (0%)
   Allocated Shadow Copy Storage space: 0 bytes (0%)
   Maximum Shadow Copy Storage space: 35,0 MB (10%)
Shadow Copy Storage association
   For volume: (D:)\\?\Volume{5228437e-9a01-4690-bc40-1df85a0e6736}\
   Shadow Copy Storage volume: (D:)\\?\Volume{5228437e-9a01-4690-bc40-1df85a0e6736}\
   Used Shadow Copy Storage space: 0 bytes (0%)
   Allocated Shadow Copy Storage space: 0 bytes (0%)
   Maximum Shadow Copy Storage space: 27,3 GB (10%)
Shadow Copy Storage association
   For volume: (C:)\\?\Volume{b2951139-f01e-11e1-93e8-806e6f6e6963}\
   Shadow Copy Storage volume: (C:)\\?\Volume{b2951139-f01e-11e1-93e8-806e6f6e6963}\
   Used Shadow Copy Storage space: 0 bytes (0%)
   Allocated Shadow Copy Storage space: 0 bytes (0%)
   Maximum Shadow Copy Storage space: 6,80 GB (10%)
C:\>
There is something strange about the limits on the Secondary host!
I have not in any way changed the settings on the Secondary host and as you can see, the Secondary host has a maximum limit of only 35 MB storage on the CSV, but it also shows that this is 10% of the Volume. This is clearly not the case since 10% if 600
GB = 60 GB!
The question is, why does it by default set a too small limit (i.e. < 320 MB) on the CSV and is this the cause of the problem? I.e. is the limit ignored since it is smaller than the smallest amount you can provide using the GUI?
Is the default 35 MB maximum Shadow Copy limit a bug, or is there any logical reason for setting a limit that according to the GUI is too small?

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