I have a domain with 2 DCs (both virtual machines) in different Hyper-V Hosts. Dose this case make any influence on the time sync?

As title,
I have a domain with 2 DCs (both virtual machines) in 2 different Hyper-V Hosts, and one of the perform as a PDC Emulator.
Dose this case make any influence on the time sync?
i.e. Both of the VMs sync with Hyper-V host, instead the other host should sync with the PDC Emulator?
I run w32tm command and get the following result:
C:\Users\Administrator.DOMAIN8>w32tm /query /computer:dc8.domain8.local /source
VM IC Time Synchronization Provider
C:\Users\Administrator.DOMAIN8>w32tm /query /computer:hpvzh05.domain8.local /source
VM IC Time Synchronization Provider
HPVZH05.domain8.local works as PDC server.
How can I make DC8 sync with HPVZH05?

Awesome!
It looks like your PDC is successfully pulling time from an external source. DC8 is not longer pulling from Hyper-V so that is good.
When you set a client to pull from a source ( and in this case DC8 is pulling from NT5DS, which tells it to pull from the PDC), and it CAN'T pull from that source, it will default to Local CMOS Clock. This is likely an easy fix.
First, check connectivity:
- Method one- Download Portqry and run this command: portqry -n HPVZH05 -p both -e 123 and see if the results say listening, or
- Method two- Run this command from DC8: w32tm /stripchart /computer:HPVZH05
If you get any kind of error using method two, it's a connectivity issue. (Maybe you have a firewall that's blocking access?)
The other cause of this, and probably more likely in your case, is that your PDC isn't properly advertising as a reliable time source, so DC8 isn't 'allowed' to pull from it.
Try running this command on your PDC: w32tm /config /reliable:yes
Then go restart time on your PDC, THEN DC8 again. (net stop w32time & net start w32time)
Here's an article you can reference: http://technet.microsoft.com/en-us/library/cc794937(v=WS.10).aspx
- As always, if you find my posts to be helpful, please mark it appropriately. Thank you :)
Chris Ream

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How to get information about creation of a virtual machine on a Hyper-v host.

Hi,
How to get information about creation of a virtual machine on a Hyper-v host?
I need: host name, time created, creator user.
I saw in Hyper-V-VMMS but I found info about movements of VM between hosts.
Thank's in advance.
Denius Valiant

For Host Name * Created Time Use This Command In PowerShell
Get-VM -Name (Read-Host "Type Your Vm Name") |select CreationTime , ComputerName
and for Create User , As i know you should see on Event Log .
Go To Event Log Viewer--->Applications And Services Logs--->Microsoft--->Windows--->Hyper-V-VMMS--->Operational
You can see in Event Log who create the Vm.
Whenever you see a helpful reply, click on Vote As Helpful & click on
Mark As Answer if a post answers your question.
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Windows domain controller in a virtual machine: how dangerous is saving its state for a short period of time?

I have a Windows Server 2012 R2 virtualization cluster. All the hosts are connected to an external storage system, and virtual machines' files are stored on external volumes (CSVs). All the hosts and virtual machines are a part of the same AD domain
(mixed Windows Server 2012 RTM / 2008 R2 domain controllers). All the domain controllers are running in the virtual machines on the hosts of this cluster.
To prevent problems when all the hosts are turned off and then on simultaneously (for example, because of a power failure) all the domain controller VM files has been placed on local disks of the virtualization hosts (not on the Cluster Shared
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that those DCs cannot be (quickly) migrated to other hosts while their current hosts are being rebooted. So if I need to reboot a virtualization host to install new updates, for example, I have to shut down the corresponding DC, reboot the host
and wait for the DC to finish cold boot and come back online. It means some interruption of service for our users, which, in turn, requires me to perform the reboots late in night.
The downtime can be significantly decreased by saving the state of the VM in which the DC is running. However, all the articles I've found on the Internet strongly recommend against it. I'm trying to understand why this recommendation was issued in the first
place. However, I'm unable to find a clear explanation. I've found some statements that saving state of a DC can cause serious AD replication problems because of tombstoning, and that the password of a DC computer account may be changed
while the DC itself stays in the saved state, which could prevent the DC from connecting to the domain after its state has been restored. However, those considerations are non-significant when we discuss a short-time
(5 to 10 minutes) saved state.
I work with AD and virtualization long time, and I fail to see any danger in saving state of a DC for several minutes. In my opinion, after its state has been restored it would simply replicate all the AD changes from other DCs, and that's all.
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Evgeniy Lotosh
MSCE: Server infractructire, MCSE: Messaging

Hello,
as stated in "http://technet.microsoft.com/en-us/library/virtual_active_directory_domain_controller_virtualization_hyperv(v=ws.10).aspx"
Operational Considerations for Virtualized Domain Controllers
Domain controllers that are running on virtual machines have operational restrictions that do not apply to domain controllers that are running on physical machines. When you use a virtualized domain controller, there are some virtualization software features
and practices that you should not use:
Do not pause, stop, or store the
saved state of a domain controller
in a virtual machine for time periods longer than the tombstone lifetime of the forest and then resume from the paused or saved state.
This may sound as it is supported to store it for shorter times and use it.
BUT recommendation also from the Hyper-V Program manager in
http://blogs.msdn.com/b/virtual_pc_guy/archive/2008/11/24/the-domain-controller-dilemma.aspx recommends against using them.
Also best practices
http://blogs.technet.com/b/vikasma/archive/2008/07/24/hyper-v-best-practices-quick-tips-2.aspx
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.
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Can I run 2 different domains with same name but on 2 different machines?

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          When I start the weblogic managed server 1 (sharedcds1managedserver1) on Machine2, it throws an error saying it has some conflicts with the managed server 1 running on Machine1. How did the managed server of one machine know about the other server. Can I run 2 different domains with same name but on 2 different machines?
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          haredcds1managedserver1 is non-clusterable, and you have tried to bind more than once from two or m
          ore servers. Such objects can only be deployed from one server.>
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          Satish

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http://www.mac-and-i.net/2012/04/flashback-detect-and-remove-uprising.html
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http://x704.net/bbs/viewtopic.php?f=8&t=5844&p=70660#p70660
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Biswajit
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Blog:
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Note: Disclaimer: This posting is provided & with no warranties or guarantees and confers no rights..

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Hi I call you from Iran. Today I encountered a problem I hope you can help me. I have iPhone 5 with version 6.1.4. Jailbreak I would rather not unlock. My problem is that the Operator name (top left) searching ... The appearance of! And no matter how I tu

Hi
I call you from Iran.
Today I encountered a problem I hope you can help me.
I have iPhone 5 with version 6.1.4. Jailbreak I would rather not unlock.
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Thank you for your attention.

ilove.perspolis wrote:
Hi
I call you from Iran.
Today I encountered a problem I hope you can help me.
I have iPhone 5 with version 6.1.4. Jailbreak I would rather not unlock.
My problem is that the Operator name (top left) searching ... The appearance of!
And no matter how I turn off and I remove the SIM card Sarchyng not stop.
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I appreciate your help.
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I read this to say that the phone is not jailbroken and the OP does not want to jailbreak it.
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and
There was a failure configuring the virtual machine role for 'MYVM'.
Please, override 'Header' property The object has been deleted from the cluster.
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BW

I have a tiscali email account set up on my iPhone it receives emails but will not send - any one had the same issue ?

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I have a domain with 2 DCs (both virtual machines) in different Hyper-V Hosts. Dose this case make any influence on the time sync?

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