TSM Backup Error: An error occurred while saving the snapshot: Failed to quiesce the virtual machine

Problem: TSM backup error; An error occurred while saving the snapshot: Failed to quiesce the virtual machine.
ANS4066W Snapshot operation attempt 1 of 2 for the guest virtual machine 'vmname' failed using "VMware Tools" snapshot.

VMWare Info

Solution: Disable VSS application quiescing using VMware Tools:

1. Open the C:\ProgramData\VMware\VMware Tools\Tools.conf file in a text editor, such as Notepad. If the file does not exist, create it.
2. Add these lines to the file:

[vmbackup]
vss.disableAppQuiescing = true

3. Save and close the file.
4. Restart the VMware Tools Service for the changes to take effect.
5. Click Start > Run, type services.msc, and click OK.
6. Right-click the VMware Tools Service and click Restart.