Hyper-V Virtual machine disappeared

Hello,
I am running Windows Server 2008 R2 SP1. I have the Hyper-V role installed with to virtual machines. I rebooted yesterday after windows updates loaded and now one of my virtual machine have disappeared. I have run through hours of technet
forums trying to find the answer and have come up empty.
I checked ProgramData\Microsoft\Windows|Hyper-V\Virtual Machines and the symbolic link is gone. I tried to recreat it using the mklink command, but every time I recreate the symbolic link to the .xml it comes back as a link to a file folder.
I checked the acl on the virtual machine .xml on my D: drive and the GUID SID is missing. I also tried to add it back via the iacls command but it doesn't seem to exist.
After all that, I decided to recreate the entire virtual machine, but now I can't create virtual machines. I get teh following error:
"Failed to create external configuration store at 'folder path': A required privilege is not held by the client. (Virtual machine ID 0x80070522)"
After that error I opend azman.msc and verified that the initalstore.xml has the administrators group in it.
I do not know what else I can do from here. Any help would be appreciated.

Hi Jumar2,
This will help others who are fighting with similar issues.
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.
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Hyper-V virtual machines disappearing

Running W10 Enterprise TP with no security software, nothing fancy.
Twice now my Virtual Machine running locally in Hyper-V Manger have disappeared after a reboot. They are still running in the background by their VHDs being in use, but I can't see them to do anything.
Last time this happened, I had to remove Hyper-V, reboot, re-add Hyper-V, and the VM appeared. However, there was something wrong with the VM so I deleted it and started over.
Any ideas?
My idea of a party is a virtualization server and a room of TechNet DVDs

@ThrashZone, Thank you but this is an issue that occurs after it has already been up and running.
@h_vHE I'm running Windows 10. Interesting: Everything has disappeared from C:\Users\Public\Documents\Hyper-V\. However, the virtual machine "IMAGEBASE" appears in C:\ProgramData\Microsoft\Windows\Hyper-V\. Here's a dir /b /s:
C:\ProgramData\Microsoft\Windows\Hyper-V\data.vmcx
C:\ProgramData\Microsoft\Windows\Hyper-V\Groups
C:\ProgramData\Microsoft\Windows\Hyper-V\Groups Cache
C:\ProgramData\Microsoft\Windows\Hyper-V\IMAGEBASE
C:\ProgramData\Microsoft\Windows\Hyper-V\Persistent Tasks
C:\ProgramData\Microsoft\Windows\Hyper-V\Planned Snapshots
C:\ProgramData\Microsoft\Windows\Hyper-V\Planned Snapshots Cache
C:\ProgramData\Microsoft\Windows\Hyper-V\Planned Virtual Machines
C:\ProgramData\Microsoft\Windows\Hyper-V\Planned Virtual Machines Cache
C:\ProgramData\Microsoft\Windows\Hyper-V\Resource Types
C:\ProgramData\Microsoft\Windows\Hyper-V\Snapshot Groups
C:\ProgramData\Microsoft\Windows\Hyper-V\Snapshot Groups Cache
C:\ProgramData\Microsoft\Windows\Hyper-V\Snapshots
C:\ProgramData\Microsoft\Windows\Hyper-V\Snapshots Cache
C:\ProgramData\Microsoft\Windows\Hyper-V\UndoLog Configuration
C:\ProgramData\Microsoft\Windows\Hyper-V\UndoLog Configuration Cache
C:\ProgramData\Microsoft\Windows\Hyper-V\Virtual Machines
C:\ProgramData\Microsoft\Windows\Hyper-V\Virtual Machines Cache
C:\ProgramData\Microsoft\Windows\Hyper-V\Groups\groupregistry.vmcx
C:\ProgramData\Microsoft\Windows\Hyper-V\Groups Cache\groupregistry.vmcx
C:\ProgramData\Microsoft\Windows\Hyper-V\IMAGEBASE\Virtual Hard Disks
C:\ProgramData\Microsoft\Windows\Hyper-V\IMAGEBASE\Virtual Machines
C:\ProgramData\Microsoft\Windows\Hyper-V\IMAGEBASE\Virtual Hard Disks\IMAGEBASE.vhdx
C:\ProgramData\Microsoft\Windows\Hyper-V\IMAGEBASE\Virtual Machines\DC334ED4-B8DF-4EFB-A6F0-10C508E7BA54
C:\ProgramData\Microsoft\Windows\Hyper-V\IMAGEBASE\Virtual Machines\DC334ED4-B8DF-4EFB-A6F0-10C508E7BA54.vmcx
C:\ProgramData\Microsoft\Windows\Hyper-V\IMAGEBASE\Virtual Machines\DC334ED4-B8DF-4EFB-A6F0-10C508E7BA54.VMRS
C:\ProgramData\Microsoft\Windows\Hyper-V\Resource Types\06FF76FA-2D58-4BAF-9F8D-455773824F37.vmcx
C:\ProgramData\Microsoft\Windows\Hyper-V\Resource Types\118C3BE5-0D31-4804-85F0-5C6074ABEA8F.vmcx
C:\ProgramData\Microsoft\Windows\Hyper-V\Resource Types\146C56A0-3546-469B-9737-FCBCF82428F4.vmcx
C:\ProgramData\Microsoft\Windows\Hyper-V\Resource Types\19839BFF-6F04-4B24-B4B5-1AFCCBE729DE.vmcx
C:\ProgramData\Microsoft\Windows\Hyper-V\Resource Types\353B3BE8-310C-4CF4-839E-4E1B14616136.vmcx
C:\ProgramData\Microsoft\Windows\Hyper-V\Resource Types\4764334E-E001-4176-82EE-5594EC9B530E.vmcx
C:\ProgramData\Microsoft\Windows\Hyper-V\Resource Types\4EA4F71F-16E6-4250-99A8-A2315332CC64.vmcx
C:\ProgramData\Microsoft\Windows\Hyper-V\Resource Types\6A45335D-4C3A-44B7-B61F-C9808BBDF8ED.vmcx
C:\ProgramData\Microsoft\Windows\Hyper-V\Resource Types\70BB60D2-A9D3-46AA-B654-3DE53004B4F8.vmcx
C:\ProgramData\Microsoft\Windows\Hyper-V\Resource Types\72027ECE-E44A-446E-AF2B-8D8C4B8A2279.vmcx
C:\ProgramData\Microsoft\Windows\Hyper-V\Resource Types\78AA0C27-B2BD-45BA-83D1-5F2A8C4C6656.vmcx
C:\ProgramData\Microsoft\Windows\Hyper-V\Resource Types\7951A5ED-8DC5-42D7-AA8C-9F14C54CEB84.vmcx
C:\ProgramData\Microsoft\Windows\Hyper-V\Resource Types\B637F347-6A0E-4DEC-AF52-BD70CB80A21D.vmcx
C:\ProgramData\Microsoft\Windows\Hyper-V\Resource Types\BDE5D4D6-E450-46D2-B925-976CA3E989B4.vmcx
C:\ProgramData\Microsoft\Windows\Hyper-V\Resource Types\D45268DA-37C5-44DA-B827-B0C55CCB3BDC.vmcx
C:\ProgramData\Microsoft\Windows\Hyper-V\Resource Types\D92D268E-9AA8-49DD-8C7D-821CEFB5F597.vmcx
C:\ProgramData\Microsoft\Windows\Hyper-V\Resource Types\DACDCF3F-6F67-4EB8-A4D0-5D93B48A2468.vmcx
C:\ProgramData\Microsoft\Windows\Hyper-V\Resource Types\ED28BF6C-B698-4513-B8F4-7BDD01E006A2.vmcx
C:\ProgramData\Microsoft\Windows\Hyper-V\Resource Types\F6293891-F32F-4930-B2DB-1A8961D9CB75.vmcx
C:\ProgramData\Microsoft\Windows\Hyper-V\Snapshot Groups\groupregistry.vmcx
C:\ProgramData\Microsoft\Windows\Hyper-V\Snapshot Groups Cache\groupregistry.vmcx
C:\ProgramData\Microsoft\Windows\Hyper-V\Virtual Machines Cache\DC334ED4-B8DF-4EFB-A6F0-10C508E7BA54
C:\ProgramData\Microsoft\Windows\Hyper-V\Virtual Machines Cache\DC334ED4-B8DF-4EFB-A6F0-10C508E7BA54.vmcx
My idea of a party is a virtualization server and a room of TechNet DVDs

Virtual Machines disappear from Hyper-V Manager on reboot

I have a Windows 2012 RC server that has fail-over clustering installed (single server at the moment), and it has an iSCSI disk that is configured as a CSV volume. When I create a new VM in Hyper-V Manager, I am storing the .vhdx and machine definition
on that CSV. Everything is good until I reboot the server. Once I do that, the VM disappears from the Hyper-V console even though the symbolic link to the server still exists in C:\ProgramData\Microsoft\Windows\Hyper-V\Virtual Machines.
I have tried to add the VM to the cluster manager (Configure Role...High Availability Wizard), but it fails with no error message that indicates why it is failing. I get the following two errors in the report:
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and
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Please, override 'Header' property The object has been deleted from the cluster.
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Thanks,
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That did not work. VM still does not show up after restart. I have tried to import the VM from the original location on the CSV, but I get:
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Hyper-V encountered an error trying to access an object on computer 'localhost' because the object was not found. The object might have been deleted, or you might not have permission to perform the task.".....
BW

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I see the following two entries in event viewer but have no other clue as to what is happening:
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Source:        Microsoft-Windows-Hyper-V-VMMS
Date:          1/10/2014 10:48:46 AM
Event ID:      16000
Task Category: None
Level:         Error
Keywords:
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<Event xmlns="http://schemas.microsoft.com/win/2004/08/events/event">
<System>
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<UserData>
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</UserData>
</Event>
Log Name:      Microsoft-Windows-Hyper-V-VMMS-Admin
Source:        Microsoft-Windows-Hyper-V-VMMS
Date:          1/10/2014 10:48:46 AM
Event ID:      16010
Task Category: None
Level:         Error
Keywords:
User:          SYSTEM
Computer:      Charles-PC.CHARLESPOOL.local
Description:
The operation failed.
Event Xml:
<Event xmlns="http://schemas.microsoft.com/win/2004/08/events/event">
<System>
    <Provider Name="Microsoft-Windows-Hyper-V-VMMS" Guid="{6066f867-7ca1-4418-85fd-36e3f9c0600c}" />
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<ProcessingErrorData>
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    <DataItemName>Parameter0</DataItemName>
    <EventPayload>
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</ProcessingErrorData>
</Event>

Hi CharlesPool,
I am assuming that the win8.1 is in-place updated from win8 .
Maybe you need to check the state of hypervisorlaunchtype .
If it is off , please run command " bcdedit /set hypervisorlaunchtype auto "
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.

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(Please take a moment to "Vote as Helpful" and/or "Mark as Answer", where applicable.
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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.

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Kind Regards
Michael Coutanche
Blog:
Twitter: LinkedIn:
Note: Posts are provided “AS IS” without warranty of any kind, either expressed or implied, including but not limited to the implied warranties of merchantability and/or fitness for a particular purpose.

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Okay, I turned off hyper-v, went to bios and enabled Intel TXT(LT-SX) Configuration. Made sure that both Virtualization and VT for Direct I/0 are on. Next, I turned on Hyper-V and I create a brand new Virtual Machine call Windows8 and had
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When using the Hyper-V Virtual Machine Manager and Connecting or Viewing using RDP is there any way to configure the app to span multiple monitor, (3) would be great

Hi Sir,
I'm afraid you need to use "mstsc.exe" to RDP to that VM instead of "vmconnect" in hyper-v manager .
Best Regards,
Elton Ji
Please remember to mark the replies as answers if they help and unmark them if they provide no help. If you have feedback for TechNet Subscriber Support, contact [email protected] .

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Hi Sir,
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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.

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Gleb,
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While we try creating a new virtual machine for our windows phone application, we are facing the following error.
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ERROR: General access denied error(0x80070005)

Unblock whatever it is that you downloaded.
Check that your antivirus software is set with the proper exclusions.
I don't recall anyone reporting this error before - as the installer for the phone emulator generally takes care of the machine creation and permissions.
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Brian Ehlert
http://ITProctology.blogspot.com
Learn. Apply. Repeat.

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I installed WTP (not server) x64 enterprise 9879, and added "Hyper-v Management" feature (management only, without Hyper-v core) in Control Panel. Then I found that there was no "Hyper-v
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Okay, I turned off hyper-v, went to bios and enabled Intel TXT(LT-SX) Configuration. Made sure that both Virtualization and VT for Direct I/0 are on. Next, I turned on Hyper-V and I create a brand new Virtual Machine call Windows8 and had
the DVD point to Windows8 ISO file on hard drive. When I clicked on start, it stayed in the Starting status mode for about 5 minutes. Then of course it failed. I looked at the Hyper-V-VMMS log and here is what it output:
Log Name: Microsoft-Windows-Hyper-V-VMMS/Admin
1) Error: The virtualization infrastructure driver (VID) is not running.
2) Info: Found a certificate for server authentication. Remote access to virtual machines is now possible.
3) Info: Successfully started the Virtual Machine migration connection manager.
4) Info: Virtual Machine Management service is started successfully.
5) Info: The WMI provider 'VmmsWmiInstanceAndMethodProvider' has started.
6) Info: The WMI provider 'VmmsWmiEventProvider' has started.
7) Info: The WMI provider 'VmmsWmiInstanceAndMethodProvider' has started.
8) Info: The WMI provider 'VmmsWmiEventProvider' has started.
9) Info: The Integration Services Setup Disk image was successfully updated.
10) Error: The virtual machine bus is not running.
11) Error: 'Virtual Machine Bus' driver required by the Virtual Machine Management service is not installed or is disabled. Check your settings or try reinstalling the Hyper-V role.
12) Error: 'Storage Virtualization Service Provider' driver required by the Virtual Machine Management service is not installed or is disabled. Check your settings or try reinstalling the Hyper-V role.
13) Error: The Virtual Machine Management Service failed to start the virtual machine 'Window8' because one of the Hyper-V components is not running (Virtual machine ID 2B393AF4-7B7E-4243-805B-23C09D20F4FB).
14) Error: 'Window8' failed to start. (Virtual machine ID 2B393AF4-7B7E-4243-805B-23C09D20F4FB)
Nick

Hyper-V Virtual machine disappeared

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