Numerous DBCC Errors

[acalhoun]

I'm getting the following errors when running my backup:

Consistency checking DBName1 Consistency Check Physical Only.
V-79-57344-65085 - There was a problem running the DBCC.
The server principal "Domain\serviceaccount" is not able to access the database "DBName1" under the ...
Consistency checking DBName2 Consistency Check Physical Only.
V-79-57344-65085 - There was a problem running the DBCC.
The server principal "Domain\serviceaccount is not able to access the database "DBName2" under the c...
Consistency checking master
V-79-57344-65088 - WARNING: The DBCC NEWALLOC command requires SA rights.  The consistency check cannot be completed...User 'guest' does not have permission to run DBCC checkdb for database 'master'.

Consistency checking model
Consistency Check Physical Only.
V-79-57344-65085 - There was a problem running the DBCC.
The server principal "Domain\serviceaccount is not able to access the database "model" under the cur...
Consistency checking msdb
V-79-57344-65088 - WARNING: The DBCC NEWALLOC command requires SA rights.  The consistency check cannot be completed...User 'guest' does not have permission to run DBCC checkdb for database 'msdb'.

I'm inheriting the backups since the main person doing this was removed from company - so no idea where to start!

Any suggestions?

[VJware · Accepted solution]

Try this KB - http://www.symantec.com/docs/TECH144230  & this KB too - http://www.symantec.com/docs/TECH69132