V7 - Change tracking is disabled

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V7 - Change tracking is disabled

Veeam Logoby mikec20 » Thu Aug 22, 2013 4:03 am

I am getting the following warning message in Veeam 7 while running an incremental backup job.

Failed to update unaccounted changes for disk xxxxxx.vhd. Change tracking is disabled.

Does anybody know why this is?

Further details:
- This is happening randomly to 13 differrent Hyper-V 2008 R2 servers during incremental backups
- All servers are using On-Host Backup to a repository on a local drive
- When I re-run the incremental job again on an affected server, it runs through fine.
- In the job settings, Use changed block tracking data is ticked

Tks
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Re: V7 - Change tracking is disabled

Veeam Logoby v.Eremin » Thu Aug 22, 2013 8:35 am

I’m wondering whether you have any error messages in the Windows Event log that might shed a light on what’s going on. Anyway, since we haven’t seen similar issues so far, I’d strongly recommend opening a ticket with our support team and letting them investigate it directly.

Thanks.
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Re: V7 - Change tracking is disabled

Veeam Logoby rkovhaev » Thu Aug 22, 2013 9:10 am

Mike, please let me know your case number when you get it
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Re: V7 - Change tracking is disabled

Veeam Logoby KennethJensen » Fri Aug 23, 2013 7:03 am

I have the same issue.

On my first incremental jon, 2 servers had the warning. One was a 32GB VHD on a W2003 server, and one was a 250GB VHD on s 2008 R2 SP1 server

Please advise

best regards
Kenneth
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Re: V7 - Change tracking is disabled

Veeam Logoby rkovhaev » Fri Aug 23, 2013 8:38 am

Kenneth, please let me know your case number as well
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Re: V7 - Change tracking is disabled

Veeam Logoby leo1 » Wed Aug 28, 2013 5:31 am

same error here, too!
host 2012, v7, guest os 2003, only one machine gets this warning :/

so long
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Re: V7 - Change tracking is disabled

Veeam Logoby foggy » Wed Aug 28, 2013 6:55 am

If nobody provides his case ID here, we will not be able to track the issue. Please kindly open a case and post ID here for reference.
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Re: V7 - Change tracking is disabled

Veeam Logoby ChrisT » Wed Aug 28, 2013 8:11 am

I have the same issue and a windows log shows:
Volume Shadow Copy Service error: Unexpected error querying for the IVssWriterCallback interface. hr = 0x80070005, Access is denied.
. This is often caused by incorrect security settings in either the writer or requestor process.

Operation:
Gathering Writer Data

Context:
Writer Class Id: {e8132975-6f93-4464-a53e-1050253ae220}
Writer Name: System Writer
Writer Instance ID: {bb7c26b2-01c7-40fc-a838-bbe321d143ae}

Case number is 00435632
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Re: V7 - Change tracking is disabled

Veeam Logoby foggy » Wed Aug 28, 2013 10:26 am

Thanks for providing the case ID. Support is currently looking into it, we will update the thread once we have some information.
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Re: V7 - Change tracking is disabled

Veeam Logoby Colin Reid » Fri Sep 20, 2013 2:24 pm

Any updates on this problem? I got the same warning msg lastnight.

Colin
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Re: V7 - Change tracking is disabled

Veeam Logoby foggy » Fri Sep 20, 2013 3:24 pm

The case is still under investigation. If you could open your own case for that issue, it would probably provide some additional information to our support that could speed up the process.
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Re: V7 - Change tracking is disabled

Veeam Logoby PeterWR » Tue Sep 24, 2013 2:09 am

I have just logged support case 00449743 for this issue.
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Re: V7 - Change tracking is disabled

Veeam Logoby tombarnsley » Wed Sep 25, 2013 9:39 am

Hi all,

I am also getting this error on several servers.
Exchange 2013
Server 2012 as a DC
Server 2008 R2 running SQL

These warnings have only started occurring since we migrated from Vmware to Hyper V.
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Re: V7 - Change tracking is disabled

Veeam Logoby Shralok » Thu Sep 26, 2013 1:43 pm

I'd like to chime in... I am not sure if this is a related issue or not.

After upgrading to V7 I am getting the message that CBT is enabled when I run a job, but it is not using CBT when I look at the details.

"9/26/2013 9:33:37 AM :: Changed block tracking is enabled"
then I click on the VM name...
"9/26/2013 9:37:53 AM :: Hard disk 1 (49.0 GB)" (note, no [CBT] is listed)

Veeam Support - Case # 00451398
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Re: V7 - Change tracking is disabled

Veeam Logoby foggy » Tue Oct 01, 2013 1:16 pm

As an update to this thread, R&D is currently working on the fix for this issue, we will keep you posted on how it is going. Btw, it should be mentioned that the issue is specific to VHD disks only (VHDX are unaffected) and shows up on incremental job runs.
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