The vSAN Snapshot Service Appliance VM is deployed and visible in the vCenter inventory, but at the same time "Data Protection" view is not getting populated (Figure1) and the VMware vSAN Snapshot Manager seems to be Deployed in the "Client Plugins" section, but showing as not VMware Certified (Figure2).
Figure1
Figure2
VMware vSAN 8.0 U3 and higher
While adding a name to the Snapshot service appliance unexpected space included not allowed in the Friendly Name field.
Edit the Friendly name field deleting any spaces as in the example below:
Incorrect:<Property oe:key="vcenter.hostname.VMware_SnapshotService_Appliance" oe:value=" snap1vc123 .vsp here.local "/>
Corrected<Property oe:key="vcenter.hostname.VMware_SnapshotService_Appliance" oe:value="snap1vc123.vsphere.local"/>