Get various errors in the console and in Event viewer after upgrade to SP6

Errors received when launching the Deployment Console may include:

• "There is no Database Management Services registered. Please make sure the Deployment Server Database Management Service is running."
• The description for Event ID 3 from source mm cannot be found. Either the component that raises this event is not installed on your local computer or the installation is corrupted. You can install or repair the component on the local computer.

The following errors may appear in the Application Event log after the Deployment Solution server was restarted:

• Event ID 3 "Could not find stored procedure 'mth_express_reindex'."
• Event ID 3 "Could not find stored procedure 'upd_lic_info'."

SP6 upgrade was completed while logged on using a different account to the Altiris service account

Re-install SP6 upgrade while logged onto the Deployment Solution server using Altiris account credentials