You are not allowed to set REMOTEDSMAGentnode option. IBM Tivoli Storage Manager is not licensed to perform offloaded VSS backups.
The REMOTEDSMAGentnode option is used to perform offloaded VSS backups.
The operation stops.
In order to perform offloaded VSS backups install a valid fully-featured license. If you use IBM® Tivoli® Storage Manager for Copy Services it is also required to purchase and install IBM Tivoli Storage Manager for Copy Services. Contact your service representative to find out purchase details.