Hi,
Can you make sure that user account that you are using for replication has administrator previleges on both the sites of vSphere Replication.
http://pubs.vmware.com/vsphere-51/index.jsp?topic=%2Fcom.vmware.vsphere.replication_admin.doc%2FGUID...
Regards
Mohammed
Mohammed | Mark it as helpful or correct if my suggestion is useful.