Symptoms:
vmware.log captured VIX API breakdowns inside the guest (Error VIX_E_UNRECOGNIZED_COMMAND_IN_GUEST) and instantaneous Guest RPC channel closures, proving the ESXi host was sending queries but the guest OS was rejecting them.VMware vCenter Server
VMware ESXi
vmtoolsd.exe and blocking the automated installation of kernel-level drivers required for the Virtual Machine Communication Interface (VMCI).If the issue still persists:
Perform a "Deep Clean" reinstall of VMware Tools. Sometimes a standard uninstall/reinstall leaves broken VMCI drivers behind in the registry.
C:\Program Files\VMware\VMware Tools folder if it still exists.