From 9c149ba8b169d6b39bb531c6cbc62a437905f27a Mon Sep 17 00:00:00 2001
From: Chris Roberts <croberts@hashicorp.com>
Date: Tue, 31 Jul 2018 13:33:41 -0700
Subject: [PATCH] Only enable ExposeVirtualizationExtensions if available
 within Hyper-V version

---
 .../hyperv/scripts/utils/VagrantVM/VagrantVM.psm1        | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/plugins/providers/hyperv/scripts/utils/VagrantVM/VagrantVM.psm1 b/plugins/providers/hyperv/scripts/utils/VagrantVM/VagrantVM.psm1
index d04698b85..d277f4e9c 100644
--- a/plugins/providers/hyperv/scripts/utils/VagrantVM/VagrantVM.psm1
+++ b/plugins/providers/hyperv/scripts/utils/VagrantVM/VagrantVM.psm1
@@ -535,6 +535,15 @@ function Set-VagrantVMVirtExtensions {
         [bool] $Enabled=$false
     )
 
+    # Check that this option is available
+    if((Get-Command Hyper-V\Set-VMProcessor).Parameters["ExposeVirtualizationExtensions"] -eq $null) {
+        if($Enabled) {
+            throw "ExposeVirtualizationExtensions is not available"
+        } else {
+            return $VM
+        }
+    }
+
     Hyper-V\Set-VMProcessor -VM $VM -ExposeVirtualizationExtensions $Enabled
     return $VM
 <#