SnapCenter Plug-in for VMware vSphere (SCV) SCV is registered on SnapCenter Server All other host plug-ins on SnapCenter server are stopped. Registering SCVs with SnapCenter Server is required if back...SnapCenter Plug-in for VMware vSphere (SCV) SCV is registered on SnapCenter Server All other host plug-ins on SnapCenter server are stopped. Registering SCVs with SnapCenter Server is required if backup targets of SCSQL, SCW and other host plug-ins are virtual machines. SCV can operate stand-alone, and all information necessary for stand-alone operation is maintained on SCV side. If all host plug-ins are no longer needed, SnapCenter Server can be stopped without any impact on SCV.