Discussions specific to the Microsoft Hyper-V hypervisor
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atid01
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Re: 9.5 Hyper-V 2016 Known Issues

Post by atid01 » Dec 20, 2017 11:50 pm

Hi all,

After fighting this issue for months, I have found a 'solution' that works. The behavior we were experiencing is that Veeam would only work for two days in a row. After the second day, Hyper-V would fail to merge the snapshot. We had to shutdown the VMs and then restart the VMMS service to get a successful merge (and therefore a successful backup).


From this site: https://social.technet.microsoft.com/Fo ... rverhyperv

I removed the GPO: User rights assignment/Log on as a Service, followed by a GPUpdate / Force on the Hyper-V machine. The stopped all VM's, rebooted the server - and the problem did not surface again.



Instead of just disabling this, you could also just add the proper user needed by Hyper-V to the logon as a service GPO. However, I am not sure what it is. 'Virtual Machines' alone doesn't solve this issue.

Hope this helps someone!

atid01
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Re: 9.5 Hyper-V 2016 Known Issues

Post by atid01 » Dec 21, 2017 5:25 pm 1 person likes this post

As an update to the above, the proper user is 'NT VIRTUAL MACHINE\Virtual Machines'. However, when trying to add this to logon as a service using GPEdit on a domain controller, it will say not found. The remedy is to install the 'group policy management' role on the Hyper-V host and then add the user. Have not tested yet but this should work.

mpark
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Re: 9.5 Hyper-V 2016 Known Issues

Post by mpark » Jan 23, 2018 5:19 pm

All,

For those having trouble backup with non-DC VMs with 2016 Hyper-V Host with error messages with failing to create Production checkpoint like
Failed to create VM recovery checkpoint (mode: Veeam application-aware processing)... Error code 32770
I found a working solution.
Basically all you have to do is Grab a VMGuest.iso from Windows Server 2012 R2 hyper-v from %windir%\System32.
Update your VM's Integration Services version to 6.3.9600.x using the ISO and reboot.

This took care of all my non-DC VMs and I'm able to backup using Veeam AAP.

Regards,
MP

mkaec
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Re: 9.5 Hyper-V 2016 Known Issues

Post by mkaec » Jan 23, 2018 7:54 pm

nmdange wrote:Well according to Microsoft this specific issue (2012 R2 DC on 2016 host) is a known bug. Waiting on some more details but it sounds like the fix is scheduled to be included in the January Monthly update.
So...Did the fix make it into this month's update?

Mike Resseler
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Re: 9.5 Hyper-V 2016 Known Issues

Post by Mike Resseler » Jan 24, 2018 6:52 am

https://support.microsoft.com/en-us/help/4057142

I can't see it in the list of addressed issues, but then again, that list has never been complete so it still can be there

apierce
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Re: 9.5 Hyper-V 2016 Known Issues

Post by apierce » Jan 30, 2018 5:30 pm

I just tested the 2016 host and 2008 R2 DC guest scenario and the problem is still not fixed with KB4057142. It's getting hard to sell a product that has been broken for so long.

rkovhaev
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Re: 9.5 Hyper-V 2016 Known Issues

Post by rkovhaev » Jan 30, 2018 10:01 pm

per Microsoft premier support 2008R2/2012R2 DC bug is going to be fixed in 3rd week of FEB

apierce
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Re: 9.5 Hyper-V 2016 Known Issues

Post by apierce » Feb 13, 2018 8:25 pm

Looks like the fix did not make it this month. KB4074590 - https://support.microsoft.com/en-us/hel ... -kb4074590

I installed and tested anyways and can confirm it's not fixed yet.

Mike Resseler
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Re: 9.5 Hyper-V 2016 Known Issues

Post by Mike Resseler » Feb 14, 2018 6:37 am

Seeing that Rustam said the fix will be there the 3rd week of FEB means most probably it will be a private fix first and only be in the MARCH update soonest. At least that is my guess here

frankive
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Re: 9.5 Hyper-V 2016 Known Issues

Post by frankive » Feb 18, 2018 12:54 am 1 person likes this post

well, if someone gets that private fix, make it public so we can start do backup again for our customer.. :)

JTT
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Re: 9.5 Hyper-V 2016 Known Issues

Post by JTT » Feb 19, 2018 6:20 am

I second to that, this is such a absurd situation i just do not get it what has taken so long, to fix it.

JesperTG
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Re: 9.5 Hyper-V 2016 Known Issues

Post by JesperTG » Feb 27, 2018 8:57 am

Installed 2018-02 Cumulative Update for Windows Server 2016 for x64-based Systems (KB4074590) on my HyperV 2016 hosts on 23/2-2018. Since then I've been able to backup my Windows Server 2012 R2 AD servers without warnings. I still have problems with my windows 2008R2 AD VM's.

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Re: 9.5 Hyper-V 2016 Known Issues

Post by xbourcier » Feb 27, 2018 3:07 pm

hi,

installed this update KB4072650 (Hyper-V integration components update for Windows virtual machines)

no more warnings for me.

mkaec
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Re: 9.5 Hyper-V 2016 Known Issues

Post by mkaec » Feb 27, 2018 3:19 pm

Did you install KB4072650 (Hyper-V integration components update for Windows virtual machines) on any of the guests?

jsull
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Re: 9.5 Hyper-V 2016 Known Issues

Post by jsull » Feb 27, 2018 5:27 pm

Installing KB4072650 on my 2012 R2 Domain Controller VM, running on a 2016 host, fixed the problem for me.

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