Migrating OLAP Repository database from the Access to SQL Server

Note By default, the OLAP repository database is :\Program Files\Microsoft Analysis Services\Bin\Msmdrep.mdb

More on : http://support.microsoft.com/kb/829738/

You Receive an Error Message When You Try to Register or Connect to an Analysis Services Computer as a Domain User

Cannot connect to the repository.
Analysis server:

Error:
Could not use ''; file already in use.