9.5 Hyper-V 2016 Known Issues

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Re: 9.5 Hyper-V 2016 Known Issues

Veeam Logoby TT-DL » Fri Aug 11, 2017 4:37 am

Also FYI, Windows 2k16 updates can be tracked here.

https://support.microsoft.com/en-au/help/4000825

I've just had a quick read of the August updates and I don't see anything relevant that would solve the backup/prod checkpoint issue.
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Re: 9.5 Hyper-V 2016 Known Issues

Veeam Logoby rkovhaev » Fri Aug 11, 2017 5:36 pm

TT-DL wrote:From my conversations with 2nd/3rd level support with both Veeam and Microsoft I don't think any 2k16 updates will resolve this issue.

MS has a least 2 ways to address the problem:
1) fix old(pre-2016) NTDS/ADAM VSS writers - so that these writers become aware that they should not perform autorecovery steps
or
2) fix 2016 HV server and guest integration components - so that VSS requester in guest creates shadow copy with autorecovery attribute - and this way MS doesn't need to fix VSS writers because writers will perform autorecovery steps just fine
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Re: 9.5 Hyper-V 2016 Known Issues

Veeam Logoby frankive » Fri Aug 18, 2017 8:32 am

and why doesn't Microsoft do this? what do they answer when Veeam states this?
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Re: 9.5 Hyper-V 2016 Known Issues

Veeam Logoby hoFFy » Fri Aug 25, 2017 2:25 pm

We are experiencing this error on a 2016 Guest OS running a WSUS, not a DC.
Has anybody else those problems with a server not running a DC?
VMCE 7 / 8 / 9, VCP-DC 5 / 5.5 / 6, MCITP:SA
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Re: 9.5 Hyper-V 2016 Known Issues

Veeam Logoby mkaec » Mon Aug 28, 2017 2:46 pm

I experienced similar problems on a 2016 guest running DFS. Turning off AAP seems to have fixed it for me.
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Re: 9.5 Hyper-V 2016 Known Issues

Veeam Logoby ashfwa » Wed Aug 30, 2017 6:48 pm

Veeam support (Case 02296778) has acknowledged that they are unable to confirm that the following issue has been resolved:

Resilient Change Tracking (RCT) returns incorrect changes for VMs which had their virtual disks moved with Storage Live Migration, resulting in corrupt backups.
This is a Hyper-V 2016 issue that Microsoft is planning to address in the future update. Until then, disable the use of changed block tracking for any jobs processing such VMs.

I apologize if I missed it in these 15 pages of posts, but does anyone know if this issue has been addressed or how to track it from the Microsoft side? Presumably Veeam needs to update its Release Notes at each iteration and has this issue earmarked so they know when it can be removed as a "Known Issue", but I am only being forwarded to Microsoft. I cannot find anything that even specifically references this bug...let alone it's fix.

Can anyone offer any further insight?
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Re: 9.5 Hyper-V 2016 Known Issues

Veeam Logoby markus.s99 » Mon Sep 11, 2017 12:37 pm

I have the same problem with Hyper-V 2016 host and windows server 2016 VM with SQL Server 2016. (could not initiate a checkpoint operation: %%2147754767 (0x8004230F). Error code: '32768'.)
But 20% of the incremental backups are working...80% fails.

Is that also a "known" bug from microsoft???

After turning off AAP backup is working fine - but not a solution.

Thanks for the update
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Re: 9.5 Hyper-V 2016 Known Issues

Veeam Logoby Mike Resseler » Tue Sep 12, 2017 7:23 am

Markus,

First: Welcome to the forums
Second: I doubt this is a known bug. Please create a support call and post the case ID here and the follow-up after investigation

Thanks
Mike
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Re: 9.5 Hyper-V 2016 Known Issues

Veeam Logoby TT-DL » Mon Sep 18, 2017 10:28 am

Some answers.

Production Checkpoints on 2k8/2k8R2 Domain Controllers - Not supported.
See this kb https://technet.microsoft.com/en-us/library/dn818483(v=ws.11).aspx

Exchange 2010
Production Checkpoint of a machine running Edge Transport role (ADAM VSS writer). Not supported.

This is directly from MSoft Premier support.
“Microsoft does not support the use of checkpoints on virtual machines running the Active Directory Domain Services role (also known as “domain controllers”) or the Active Directory Lightweight Directory Services role in Windows Server 2008 or Windows Server 2008 R2. For more information, see Operational Considerations for Virtualized Domain Controllers (http://go.microsoft.com/fwlink/?LinkId=159631).”
*ADAM is former name of AD LDS.


Exchange 2010 backups on hyper-v 2016 with AAP enabled. Works. (As long at edge transport role is not installed) This above would also explain why virtualised SBS etc doesn't work on a 2016 host.

Not sure about production checkpoints on AD 2012 or Exchange 2013 (I imagine exchange 2013 is same as above). I understand Veeam is still investigating/clarifying with Microsoft exactly what is/isnt supported in relation to AD checkpoints.

Many thanks to Rustam and Veeam support team for their assistance in getting some answers on this.
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Re: 9.5 Hyper-V 2016 Known Issues

Veeam Logoby RGijsen » Tue Sep 19, 2017 7:41 am

In the past I've worked around the Edge-issues by having Veeam trigger a script that stops all Exchanges services on that VM for a while (although if I remember correctly, stopping ADAM is enough) and having it restarted after the backup. Depending on your setup (redundant, balancers and such) there should be no disruption in doing so.
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Re: 9.5 Hyper-V 2016 Known Issues

Veeam Logoby marieelieg » Thu Sep 28, 2017 8:01 am

Hello dears,

I have the same issue as AlexLeadingEdge. Backup job with App Aware enabled not able to create snapshot on DC VM.
"Job failed (''). Error code: '32768'. Failed to create VM recovery snapshot"

Was there a solution for this?

Thanks!
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Re: 9.5 Hyper-V 2016 Known Issues

Veeam Logoby Nail.Mukhametshin » Mon Oct 02, 2017 1:17 pm

Hi guys!

Question to moderators: If you really have some known issues, can you create a new topic (may be readonly) where in first post you will track all issues and fixes? It will be very helpful not to read 15 pages of this topic to understand about witch issues you speaking.
Nail Mukhametshin | System Engineer | R&D Services Infrastructure Development | Kaspersky Lab
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Re: 9.5 Hyper-V 2016 Known Issues

Veeam Logoby pesos » Wed Oct 11, 2017 1:58 am

+1

We have jobs failing at least 2-3 times a month and have to restart all veeam services on our 2016 host to resolve (freshly built server). Curious to know if there are known issues potentially causing this but this thread is out of control :p
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Re: 9.5 Hyper-V 2016 Known Issues

Veeam Logoby sbaltic » Fri Oct 13, 2017 4:23 am

Same problem here ... host -> w2k16, VM -> 2k16 (not DC, regular file server).

11.10.2017 20:01:26 :: Failed to create VM recovery checkpoint (mode: Veeam application-aware processing) Details: Job failed (''). Error code: '32772'.
Failed to create VM recovery snapshot, VM ID '6604883e-fc6e-4403-b72d-454d3741377b'.
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Re: 9.5 Hyper-V 2016 Known Issues

Veeam Logoby mkaec » Mon Oct 30, 2017 4:55 pm

For my 2012 R2 DCs, I turned off Application Aware Processing and I have the VM settings configured to use Standard checkpoints. If I don't also turn off Guest Quiescence, Veeam reports that the backup was successful, but the server logs an error "could not initiate a checkpoint operation".

I know its been mentioned that AAP is not needed for Veeam AD Explorer. But, that doesn't seem to be entirely true. If I create a new job and put my DCs in it, that job will not show up in the Microsoft Active Directory Object Restore wizard. So, it seems that AAP must be active at least once for Veeam to know the job has DCs in it. If you deploy Veeam fresh into an environment comprised of 2016 hosts with 2012 R2 DCs, it doesn't look like you can get Veeam AD explorer working.

It's been a year since this problem was first documented. I think the note that "this is a Hyper-V 2016 issue that Microsoft is planning to address in the future update" was incorrect. It's really disappointing that this was never resolved.
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