Invalid Physical Volume Library Media Identifier

Error:

(Server: "BACKUP") (Job: "Trogdor Backup-Duplicate AM") Trogdor Backup-Duplicate AM -- The job failed with the following error: Invalid Physical Volume Library Media Identifier. 

I've moved my BEDB from a dedicated SQL Server 2008 R2 SP1 machine to localhost SQL Server Express 2008 R2 SP1.  Migration went fine - no problems. Since then my backup jobs that duplicate to another internal, hot-swap HDD have resulted in the above error.

Performed the following steps to move the DB to the localhost (SQL express):

 

1) Install the appropriate SQL 2008 R2 instance on the media server, by default the instance is called 'BKUPEXEC'

2) Using beutility.exe, move the database to the new instance

3) From a command prompt, navigate to the installation directory and run 'catrebuildindex -r'

4) Once completed, follow this Technote to clean up the DB: http://www.symantec.com/docs/TECH67239

 

Any more ideas on what to do?  I do have all the LiveUpdate updates applied as of this post date.

Thanks.