Try it like this.  When connecting to the server, force a Named Pipe connection.  Afterwards, just do you're backup to the drive\path.

Instead of <servername>

try

np:<servername>

in the Connect To dialog box.

Opps.  Forgot to change the DB between cursor lookups.  Edited to work on case sensitive collations, too.  Try this one instead....

MASTER

-- Try this.  It'll go through all the DBs if no name is specified, otherwise, just -- return it for the DB specified.

-- Wayne Fairless, DBA