diff --git a/windows_2016.json b/windows_2016.json
index 9840fdbc7c6b4509e5cd515265d3b36ae4ac3929..799e335b01012efe2e0e9a1e34e87c72016df654 100644
--- a/windows_2016.json
+++ b/windows_2016.json
@@ -160,7 +160,7 @@
     "iso_checksum_type": "md5",
     "iso_url": "https://software-download.microsoft.com/download/pr/Windows_Server_2016_Datacenter_EVAL_en-us_14393_refresh.ISO",
     "restart_timeout": "5m",
-    "winrm_timeout": "2h"
+    "winrm_timeout": "150m"
   }
 }