Tuesday, April 17, 2018

Commvault backup and windows server 2008 r2 quiesce error "Failed Unable to quiesce guest file system during snapshot creation"

After getting a new Commvault V11, when tried to backup a windows server 2008 R2, getting "Failed Unable to quiesce guest file system during snapshot creation".



Reason:This issue occurs if there is a conflict between the Microsoft based volume shadow copy services and VMware snapshot provider. 
Fix:
To resolve this issue, use any one Quiescing tool. As VMware snapshot provider is only used for snapshot / Quiesing purposes, this can be disabled.


1. Stop and Disable VMware snapshot provider

2. Start and set VSS to Automatic / Manual

3. Restart Virtual disk service and then  attempt to create a manual Quiesced snapshot. 



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