When using SCUP 2011 it creates a local database in your user profile.
You can verify this by selecting options:
And then Advanced as you can se under database file it is placed in the user profile path.
It is possible to move the database and share it with other users.
In this example we change the path to an local folder on a management server, but this could be an UNC path.
First start an administrative command prompt and edit the file C:program Files (x86)System center Updates publisher 2011Scup2011.exe.config (This might be on another drive and path)
Find the text <setting name=”SSCEDataFile” serializeAs=”String”>
Now change the text <value /> to the path and filename you prefer. Here it is C:SCUPDBscupdb.sdf
Save the file and copy the old file from the profile to the new location. Next time you start System Center updates Publisher you can verify the location again: