31a12730_cation_vs__storage_replication__Feature
[SRM vSphere Replication] Yes. Reprotect and failback are supported by vSphere Replication only in SRM 5.1, not in older versions Yes. In older versions of SRM, only storage-array replication supports these features [Feature] 
Reprotect and failback
SRM replication choices: vSphere Replication vs. storage replication
Feature