Backup Exec Vss Error Volsnap Event Id 36

Problem

 Backups fail with VSS timeout errors in the event log, including event id 36 Volsnap.

Error Message

Event ID: 36

Event Source: VolSnap

Event Type: Error

Event Details: The shadow copies of volume C: were aborted because the shadow copy storage could not grow due to a user-imposed limit.

Cause

 This event is often logged due to either a lack of space on the drives being snapped or the default snapshot storage size limit is imposed on the drives.

Solution

1. Open Windows Disk Management (Note if this error is happening on a remote backup, this will need to be performed on the remote server.)
2. Right click on the drive indicated in the event > Properties
3. Shadow copies
4. Select the drive
5. Settings 
6. Select the radio dial that states " No Limit".
7. Click OK

**Side note, if it is already checked, proceed to step 8

8. vssadmin list shadows --> If it returns results, run this command to clear out the left-over snapshots:

9. vssadmin  delete shadows  /all

10. Run the backup Again