I recently shared that in vSphere 8.0 Update, you can now easily manage the vSphere Cluster Services (vCLS) configuration by using either the vSphere UI or a new vSphere API, which simplifies this operation if you need to disable vCLS for a particular vSphere Cluster or if you need to remediate one by disabling and re-enabling the feature. Today, the process is less than ideal as you need to add a new vCenter Server Advanced Setting for each vSphere Cluster that you want to disable vCLS on.
For customers still on vSphere 7.x, I just found out from our vCLS Engineering team, that the latest vSphere 7.0 Update 3o, which was just released less than 24 hours ago, also includes this enhancement for managing vCLS configuration (enable/disable) using the vSphere UI!
One thing to note is that the new vSphere API that was introduced in vSphere 8.0 Update 2 to manage this exact same vCLS setting is not available in vSphere 7.0 Update 3o. If you wish to automate this configuration for vSphere 7.x environment, you will need to add the required vCenter Server Advanced Setting using the vSphere API.
Do you need only vCenter to be at 7.0u3O or do you also need to upgrade ESXi to be at that version?
vCLS is VC feature, so it should work w/earlier 7.0U3 hosts