The volume mount point for the database does not exist on the server on which the file is mounted.
Job logs will present the following similar error:
Error VSSControl: -2147024809 Backup job failed.
Error Discovery phase failed.
Error Cannot enumerate volumes that should be added to the snapshot set.
Error Cannot enumerate volumes that contain components specified by the processed writer. Writer name: [SqlServerWriter], class ID: [{a65faa63-5ea8-4ebc-9dbd-a0c4db26912a}]. instance ID: [{88a622b8-5d1c-4b23-bd59-934c18a7b68c}].
Error Cannot obtain a volume mount point for the volume that contains the specified file. File path: [\\ServerName\folder path\SQLDB.mdf].
The VeeamVSSSupport log will show the below information. This can be found in the following location on the SQL guest:-
Windows 7/8 Generations: C:\ProgramData\Veeam\Backup
-
Windows XP/2k3: %allusersprofile%\Application Data\Veeam\Backup
Enumerating volumes that should be added to the snapshot set.. Failed.
Performing discovery phase.. Failed.
Performing backup steps.. Failed.
ERR Freeze job failed.
ERR Backup job failed.
ERR Discovery phase failed.
ERR Cannot enumerate volumes that should be added to the snapshot set.
ERR Cannot enumerate volumes that contain components specified by the processed writer. Writer name: [SqlServerWriter], class ID: [{a65faa63-5ea8-4ebc-9dbd-a0c4db26912a}]. instance ID: [{88a622b8-5d1c-4b23-bd59-934c18a7b68c}].
ERR Cannot obtain a volume mount point for the volume that contains the specified file. File path: [\\ServerName\folder path\SQLDB.mdf].
ERR Cannot get an unique volume name that corresponds to the specified volume mount point: [\\ServerName\folder path \].
ERR Win32 error:The parameter is incorrect.
ERR Code: 87
