[Forum FAQ] Cannot perform a backup schedule via Windows Server Backup and receive "The system cannot find the path specified." Error

Question

Symptom One
You attempt to
schedule a backup every day via Windows Server Backup on Windows Server 2008 R2. At the beginning, the backup works without issue. But after a few days it failed and you receive the error “Windows Server Backup:
The system cannot find the path specified.”
Cause
The issue may occur if there is
no shadow copy storage space available on the backup volume.
Verify
You can use the List ShadowStorage command to check if you have enough storage space to store the newly created shadow copy. If you've reviewed the size of the backup snapshot and discovered
that there is no allocated space for the storage association, you need to resize shadowstorage.
Solution
You could run the command below to create shadow copy storage space on the backup volume:
vssadmin resize
shadowstorage /for=<ForVolumeSpec> /on=<OnVolumeSpec> [/maxsize=<MaxSizeSpec>]
More Information
Vssadmin resize shadowstorage
http://technet.microsoft.com/en-us/library/cc788050.aspx
Symptom Two
When you add
another external hard drive to backup schedule via Windows Server Backup on Windows Server 2012, it fails and you receive the error “The System cannot find the path specified.”
Cause
The issue is due to the
Original Destination Disk was not attached to the server.
Verify
You could check the disk status in Disk Management to see if the Original Destination Disk is offline or removed.
Solution
You need to attach
Original Destination Disk to the Server then choose another external hard drive as backup target. After that, you could remove the Original Destination Disk.
Workaround
To work around this issue, please use the WBADMIN command line tool to add disk.
WBADMIN ENABLE BACKUP -addtarget :{ DiskID}
The AddTarget parameter takes disk ID as parameter. It can be retrieved by running "WBADMIN GET DISKS" command.
Example:
WBADMIN ENABLE BACKUP
-addtarget :{ aa123d14-bba0-1dd9-0d93-80aaaa6bbb63}
More Information
Wbadmin enable backup
http://technet.microsoft.com/en-us/library/cc742130.aspx
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Answer 1

good