vSphere vCenter 7.x
vSphere vCenter 8.x
The vCenter upgrade precheck warning related to the plug-in "com.vmware.vrUi-9.0.2.24170200" is caused by a compatibility issue with the vSphere Replication plug-in.
Validate the version of vSphere Replication and SRM using Interoperability, if its compatible with vCenter version, warning can be safely ignored and proceed with an upgrade