While running the vSphere 6.7 VMware Migration Assistant I received the following error:
This vCenter Server has extensions registered that cannot be upgraded to or may not work with the new vCenter Server.
In my case, the extensions were no longer being used. So, I chose to just remove the offending extensions.
1. Create a snapshot or backup of your vCenter server.
2. Log into the Managed Object Browser (MOB).
3. Select Content.
4. Select ExtensionManager.
5. Capture the VALUE of the Extension you wish to remove. (ex.com.vmware.vcHms):
6. Select UnregisterExtension
7. Enter the Value of the extension you wish to remove. Then, select Invoke Method. Confirm that you receive the Result of Void.
8. Confirm the extension is no longer in the extension list. If so, delete the VM snapshot created earlier.
Common vCenter extensions:
|Extension Name||Service Description|
|com.vmware.vim.eam||vSphere ESX Agent Manager|
|com.vmware.vim.inventoryservice||vCenter Inventory Service|
|com.vmware.vim.sms||VMware vCenter Storage Monitoring Service|
|com.vmware.vim.sps||VMware vSphere Profile-drive Storage Service|
|com.vmware.vim.stats.report||Performance charts built-in extension|
|cim-ui||vCenter Hardware Status|
|health-ui||vCenter Service Status|
|hostdiag||Internal extension to declare diagnostic events from VMware Host systems|
|VirtualCenter||VirtualCenter dynamic events and tasks|
|com.vmware.orchestrator||VMware vRealize Orchestrator plugin (formerly known as VMware vCenter Orchestrator plug-in)|
|com.vmware.syslog||VMware Syslog Collector Configuration|
|com.vmware.vcDr||VMware vCenter Site Recovery Manager Extension|
|com.vmware.vcHms||vSphere Replication Management (VRM)|
|com.vmware.vcIntegrity||VMware vSphere Update Manager Extension|
|vCloud Director-1||vCloud Director|
|com.vmware.vcops||vRealize Operations Manager (formerly known as vCenter Operations Manager)|
|com.vmware.vadm||VMware vRealize Infrastructure Navigator (formerly known as vCenterInfrastructure Navigator)|
|com.vmware.vdp||vSphere Data Protection 5.1|
|vSphere Data Protection 5.5/5.8|
|com.vmware.vsan.health||vSAN Health Check Plug-in|
|com.vmware.heartbeattasks||vCenter Server Heartbeat|
|com.vmware.hbwc||vCenter Server Heartbeat|
|com.vmware.heartbeat||vCenter Server Heartbeat|
|com.neverfail.heartbeat||vCenter Server Heartbeat|
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