Backup destination for a backup database task forces an extension of bak.
Steps to reproduce the problem:
1. Create a new maintenance plan.
2. Drag in a backup database task.
3. Open the task.
4. Set Backup database across one or more files radio button.
5. Click Add button.
6. Enter "c:\temp\temp.bkp" filename and click OK.
7. Observe the file name in the list box.
Expected: "c:\temp\temp.bkp" in the list box.
Actual: "c:\temp\temp.bak" is in the list box.
WORKAROUND
None
STATUS
Waiting for fix in a future release of NetVault LiteSpeed for SQL Server