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Yasir Arfat
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Volume Shadow Copy Service error

Hello,

We are using srv2012r2 for our virtual DC1 on hyper-V, we are taking full backups using windows backup services to external hdd connected to host machine, backups are completed successfully but the error event 8193 and warning event 40961 generates right at the backup time as shown in message below, can someone please help me why am i getting this error while the backup are successful.    

"Volume Shadow Copy Service error: Unexpected error calling routine IVssAsrWriterBackup::GetDiskComponents.  hr = 0x80042302, A Volume Shadow Copy Service component encountered an unexpected error."
Windows OSWindows Server 2012* Volume Snapshot Service (VSS)Hyper-VStorage Software

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noxcho

8/22/2022 - Mon
noxcho

Does it through the same error when you backup to network or to any other drive?

Is the drive encrypted somehow?
Yasir Arfat

ASKER
I am backing up to an external drive and no encryption, I think I found out it was happening because host and vm both were running backups at same time I have rescheduled it for different times it seems worked.
noxcho

Normally you do not need to backup the host so frequently as the vms.
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James Murphy
Yasir Arfat

ASKER
Hmm that's good idea I think I would run host backup weekly.
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noxcho

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Yasir Arfat

ASKER
Thanks Noxcho it helped my situation I have turned off host backup every night and will do the backup manually as windows backup schedule is not so flexible.
noxcho

You are welcome Yasir!
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