Setting up the Maintenance User involves:
Adding the Maintenance User login to the primary data server
Grant appropriate permissions to the Maintenance User login
Setting up the maintenance user in the primary database
assumes snapshot replication copies this user to the standby database
along with the data. If you are using a different materialization
technique, the maintenance user may need to be added directly to
the standby database. Regardless of the materialization technique,
the maintenance user must exist and have the appropriate permissions
at the standby database after materialization occurs.
To set up the Maintenance User in the primary database repeat the steps for creating a primary database user and contact your DBA or refer to the Primary database vendor documentation.