DPM 2012 R2 cannot backup VM online

Hi Everyone,
I'm having a problem trying to backup a VM with DPM, as it shows "offline" backup only (not online).
Our environment:
DPM 2012 R2 server with UR5, running on Windows 2012 R2. This server backs up all Virtual Machines running on a Windows 2012 R2 Hyper-V cluster. All the VMs are running Windows 2008 R2, with the latest Hyper-V Integration Tool (v6.3.9600.16384).
Only a few VMs on that cluster cannot be backed up "online".
I already checked the following:
- The backup (volume snapshot) integration service is installed and enabled in the VM configuration
- The VM does not have any dynamic disks
- All Disks on the VM are NTFS
- The VM Cluster resource is online
- The VM is running
- The Shadow storage assignment inside the VM for all volumes are set on the respective volume (not different)
- The VM has a SCSI controller
- Although meant for another version of DPM and OS, I tried to add the following registry key:
HKLM\Software\Microsoft\WindowsNT\CurrentVersion\SystemRestore - REG_DWORD ScopeSnapshots 0x0
(solution found here: https://mvanvliet.wordpress.com/2013/04/10/issue-windows-server-2012-virtual-machines-can-only-be-backed-up-using-saved-state/)
- Also tried to remove all VHDX from the VM configuration, save the config and re-add the VHDX
(solution found here: http://blog.metasplo.it/2014/02/dpm-2012-r2-only-allows-offline-backups.html)
- All the disks within the VM have plenty of free space (more than 30% on each volumes)
- Try to move the VM around on different hosts on the Hyper-V cluster
I've run out of troubleshooting steps...
Any ideas?
Thanks,
Stephane

Hello Stephane.
It seems that we have the same Problem.
Since we have installed the UR5 we have some VM’s that
can no more backed up Online. Last Sunday we had a crash on a host. After we
have investigated the issue we think it have to do with the Backup and the UR5.
We have found some errors where the host have lost the iscsi Target when the
Backup have begun.
We have 2 Infrastructures with the same configuration HP
Store Virtual and the Hardware VSS Provider. We can see that on the Storage no
Snapshots are created.
We try now to add (Workaround) a little Disk to this
Vm’s that is configured as DynamicDisk. So we hope to make an Offline backup.
I think we have to open a case.
Andreas

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KB890830
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KB2894856
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Hi,
Does the protected VM have Windows dedup enabled on the volume that cannot be mounted ?
Please remember to click “Mark as Answer” on the post that helps you, and to click “Unmark as Answer” if a marked post does not actually answer your question. This can be beneficial to other community members reading the thread. Regards, Mike J. [MSFT]
This posting is provided "AS IS" with no warranties, and confers no rights.

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Please remember to click “Mark as Answer” on the post that helps you, and to click “Unmark as Answer” if a marked post does not actually answer your question. This can be beneficial to other community members reading the thread. Regards, Mike J. [MSFT] This
posting is provided "AS IS" with no warranties, and confers no rights.

Anyone using DPM 2012 R2 for backup on Windows 8.1 64-bit laptops? - any issues like freezes/crashes?

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Optimizing Client Computer Performance
http://technet.microsoft.com/en-us/library/ff634214
Optimizing Client Computer Performance
This topic has not yet been rated - Rate this topic
Updated: April 21, 2010
Applies To: System Center Data Protection Manager 2010
On some client computers, you may notice the computer running slow when a backup is in progress. You can improve the computer’s responsiveness by setting the following registry key DWORD.
Key
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Microsoft Data Protection Manager\Agent\ClientProtection
Value
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Data
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Type
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Please remember to click “Mark as Answer” on the post that helps you, and to click “Unmark as Answer” if a marked post does not actually answer your question. This can be beneficial to other community members reading the thread. Regards, Mike J. [MSFT] This
posting is provided "AS IS" with no warranties, and confers no rights.

DPM 2012 - File server backup

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The Best Practice of backup File Server:
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DPM 2012 R2 Virtual machine - can you backup to disk then to TAPE

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SC DPM 2012 Health check

Hi All,
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The only thing i know is the Configuration Analyzer from MS: http://technet.microsoft.com/en-us/library/jj992580.aspx
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Online Backup of supported Linux VM on Hyper-V 2012 R2 / SC DPM 2012 R2

Hi,
I'm trying to set up a lab environment:
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Hi,
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Please remember to click “Mark as Answer” on the post that helps you, and to click “Unmark as Answer” if a marked post does not actually answer your question. This can be beneficial to other community members reading the thread. Regards, Mike J. [MSFT] This
posting is provided "AS IS" with no warranties, and confers no rights.

DPM 2012 R2 Bug: Unable to backup a VM with the same name as an old VM

Scenario:
You have a VM called "Virtual Machine 1" running on a Windows Server 2012 R2 Hyper-V cluster and you backup this virtual machine using DPM 2012 R2.
You remove "Virtual Machine 1" from DPM, selecting delete replicas and expire all tape backups, and then delete the VM from the cluster as it is no longer required.
Later you create a new virtual machine called "Virtual Machine 1" on the same cluster. You attempt to backup the VM with DPM however when attempting to add the VM to a protection group you get the error "DPM cannot access the path \Online\Virtual
Machine 1 because part of the path has been deleted or renamed. Check the path and enter it again". Refreshing the data source/clearing the cache doesn't help
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Hi
yo need to clear the Cache on the ProtectionGroup Wizard.
Seidl Michael | http://www.techguy.at | twitter.com/techguyat |
facebook.com/techguyat |
youtube.com/techguyat

Backup fails for a Hyper-V guest with VSS Writer failures using DPM 2012 R2 - Hyper-V guest has Oracle application installed,

I am trying to backup a VM which before it had Oracle installed backed up with no problems. It is a Windows 2008 R2 server which sites on an 8 node Hyper-V 2012 R2 cluster (with CSVs). I am using DPM 2012 R2 to run the backups which have been
successful for the last few weeks but then Oracle was installed and the backups have failed since then.
The job fails and a large number of VSS writers go into a 'Failed' state with the 'Last Error' showing as 'Timed out'. I then get 4 popups appear each referring to a 'temporary' drive which appears briefly in Disk Management with a RAW file system.
These pops say "You need to format the disk in drive X: before you can use it. Do you want to format it?" (where
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few warnings for Ntfs (eventid 57) stating that "The system failed to flush data to the transaction log. Corruption may occur."
Prior to these warnings there are 5 other warnings for partmgr (eventid 58) stating "The disk signature of disk
<number x> is equal to the disk signatuire of disk <number y>" and 4 errors (eventid 1, VDS Basic Provider), "Unexpected failure. Error code: 490@01010004".
There is a script which is run to stop the Oracle application on the server and if this is run then the backups will complete successfully. We have been troubleshooting this by running a certain amount of the script and seeing which part affects the
backup and it seems that if the Weblogic (wls_reports) service is stopped then the backup will succeed but if it is running then the backup will fail and the above symptoms occur.
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I have experienced VSS writer failures before with VM backups but I have not seen this before. It is not intermittent and I can find no work around to alleviate the problem of having no backup (except stopping this service or shutting the server down,
but as it is a production server this is not practical).
If anyone has experienced this before or have any suggestions / advice it would be much appreciated.
Thanks
Chris

Hi Chris
I have exactly the same issue.
2008 R2 Server running Oracle
6 node 2012 R2 Hyper-V Cluster with CSV
Exact same errors and popup "format disk" message.
DPM2012 R2
I also have some other VM's on the same cluster which do back up through DPM
The only difference I can see is the server which has the issue has a legacy network adapter.
Production server so cannot make any changes until later but will add new adapter and report back.
Interesting about the Weblogic service, may test this also.
Cheers
Kev.

DPM 2012 R2 Rollup 4, Update Rollup 7 for Exchange Server 2010 SP3 backups with eseutil check fail

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Thanks,
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DPM AV exclusions -
http://technet.microsoft.com/en-us/library/hh757911.aspx
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Regards, A.Nadar, This posting is provided "AS IS" with no warranties, and confers no rights.

DPM 2012 R2, Windows 2012 R2, and "stop" VM during backup

I did upgrade
DPM 2012 SP1 to 2012
R2.
DMP backup the server with Hyper-V
machines, windows / linux.
The previous version of Windows, as
did backup via partition shapshot
not stop its operation.
Current unfortunately it does!
During backup closes all connections
to the virtual machine, start the
copy and return connections.
Hyper-V also shows the
beginning of a new machine to count
on time as if they held the
restart (even though it was not).
As every change / off?
Going back to the previous version?
Backup Group I created again
- does not help.

"We are looking for what is
the procedure for checking why
the DPM wants
to do only
offline backup"
Yes that is why I asked what do you see in your "Windows Server Backup" from the Hyper-V host. Did
you do an update at the Hyper-V Hosts? Could you update the Hyper-V integration tools in your Virtual Machine?
What guest system is used in your windows virtual machine? If there a Windows Server 2008 R2 (with installed SP1) or a windows server 2012 you should try to update the integration tools at this machine first. When updated is done, try to backup online again.

DPM 2012 R2 cannot backup VM online

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