Hi,
I imagine the server of SAP are different ,if so,thenyou canupdatetheDPbutdonotupdatetheSAPserver,you can haveCM6.2and customers inother versionsup or down.
The backups should run fine with CM on 6,2 and SAP server on 6,11.
Also,thinkSAPupgradeisthat in the futurenobackupproblems.
Regards.