Working with backup sets : Email message backup sets (Windows) : Before you begin : Novell GroupWise requirements (DS-MLR)
 
Novell GroupWise requirements (DS-MLR)
Ensure that the following requirements are met wherever applicable before you create an Email messages backup set to back up Novell GroupWise data using DS-MLR:
For the backup of Novell GroupWise Servers, the DS-MLR service account must be a local administrator.
To restore Novell GroupWise email messages that have been backed up, make sure that the Novell GroupWise client is accessible. Test this by sending and receiving email messages using the Novell GroupWise client. Otherwise, you will encounter a MAPI error when you try to create a Novell GroupWise backup set.
For Novell GroupWise 2012, on the Novell GroupWise server, create the DS-MLR Trusted application key in Novell ConsoleOne > GroupWise System Operations > Trusted Applications > Create.
For Novell GroupWise 2012, on the DS-MLR machine, follow the instructions in the following Novell knowledge base articles. Otherwise, you may encounter errors during backups:
Novell TID 7000312: for Novell Client 4.91
Novell TID 7008266: for Novell Client 2