Index: /trunk/src/VBox/VMM/VMMR0/HMVMXR0.cpp
===================================================================
--- /trunk/src/VBox/VMM/VMMR0/HMVMXR0.cpp	(revision 78242)
+++ /trunk/src/VBox/VMM/VMMR0/HMVMXR0.cpp	(revision 78243)
@@ -3138,5 +3138,6 @@
 
     /* Set up MSR permissions that don't change through the lifetime of the VM. */
-    hmR0VmxSetupVmcsMsrPermissions(pVCpu, pVmcsInfo, false /* fIsNstGstVmcs */);
+    if (pVmcsInfo->u32ProcCtls & VMX_PROC_CTLS_USE_MSR_BITMAPS)
+        hmR0VmxSetupVmcsMsrPermissions(pVCpu, pVmcsInfo, false /* fIsNstGstVmcs */);
 
     /* Set up secondary processor-based VM-execution controls if the CPU supports it. */