Snapshots taken with TSM for Virtual Environments fails with "An error occurred while quiescing the virtual machine. See the virtual machine's event log for details."

Snapshots taken with TSM for Virtual Environments against a  virtual machine with Windows 2008 R2 fails with error "An error occurred while quiescing the virtual machine. See the virtual machine's event log for details." - There is nothing specific in the system log or the application log of the vm at the time of the error in vmware.

When I take the snapshots manually in the VMware vSphere Client, they succeed. I have tested both with and without quiescing. I have also updated the VMware tools on the vm and checked vssadmin list writers for errors.

A similar virtual machine exists in the cluster with the same amount of hard disk space, and its snapshots initiated by 'TSM for Virtual Environments' succeeds every night.
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itniflAsked:
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itniflConnect With a Mentor Author Commented:
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Andrew Hancock (VMware vExpert / EE MVE^2)Connect With a Mentor VMware and Virtualization ConsultantCommented:
Is it at a particular time or loading it fails?

e.g. other backups are running on the datastore, or are being snapshotted at the same time?
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compdigit44Connect With a Mentor Commented:
I really does sound like the datastore the VM is hosted on is experience high I/O which could impact the creation / deletion of snapshots.

DO all VM share the same datastore?  What type of application is running on the VM. Is it I a high I/O application like Exchange or SQL?
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compdigit44Commented:
Interesting, so you have to include this option for this VM only? What type of application is it hosting?
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itniflAuthor Commented:
Yes, it hosts Exchange 2007.
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itniflAuthor Commented:
Both suggestions are good, so I am awarding points for these. The end solution though is posted by myself, so I am choosing that post as a solution as well.
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