Navigating to VM > Updates Tab shows the status as "Unknown" for both VMware Tools and VM Hardware Compatibility.
Clicking "Check Status" fails to populate any versioning information for VMware Tools or Hardware Compatibility.
VMware ESX
Identify a maintenance window as the VM must be powered off.
Gracefully shut down the Windows 11 Guest OS.
Right-click the VM in the vSphere inventory.
Select Compatibility > Upgrade VM Compatibility.
Select ESXi 8.0 and later (Hardware Version 21).
Once the upgrade is complete, power the VM back on.
Navigate back to the Updates tab and click Check Status. The VMware Tools and Hardware Compatibility versions should now display correctly.
Verify the VMware Tools Inter-operability with ESXi host version :- VMware Interoperability Matrix
Verify the Virtual Hardware version with the ESXi host version :- Broadcom KB: Virtual Machine Hardware Versions