Migrating OLAP databases
There is a maximum of one OLAP database for each application.
To create reports and dashboards that use several OLAP databases, use data connections to link to OLAP databases of other applications in Application Studio.
Before migrating the OLAP database, ensure that all required roles have been created in the Data Roles or Application Roles dashboards.
When the OLAP database starts, the _GRP dimension is updated with the roles that exist in the application. If the roles are not available, the GRP elements are dropped, losing the permissions defined for them.
See "Exporting and importing OLAP databases" in the "EPM Administration" section.