diff --git a/images/win/Windows2016-Azure.json b/images/win/Windows2016-Azure.json
index 832d4690..10fafd3e 100644
--- a/images/win/Windows2016-Azure.json
+++ b/images/win/Windows2016-Azure.json
@@ -890,7 +890,7 @@
         },
         {
             "type": "windows-restart",
-            "restart_timeout": "10m"
+            "restart_timeout": "30m"
         },
         {
             "type": "powershell",
diff --git a/images/win/Windows2019-Azure.json b/images/win/Windows2019-Azure.json
index 97839969..e72aa38b 100644
--- a/images/win/Windows2019-Azure.json
+++ b/images/win/Windows2019-Azure.json
@@ -895,7 +895,7 @@
         },
         {
             "type": "windows-restart",
-            "restart_timeout": "10m"
+            "restart_timeout": "30m"
         },
         {
             "type": "powershell",