Database.Backup Method (String, Boolean)
Provides programmatic access to Backup operations for a Database with file and AllowOverWrite parameters.
Assembly: Microsoft.AnalysisServices (in Microsoft.AnalysisServices.dll)
For each backup file, the user who runs the backup command must have permission to write to the backup location specified for each file. Also, the user must have one of the following roles: a member of a server role for the Analysis Services instance or a member of a database role with Full Control (Administrator) permissions on the database to be backed up.