diff --git a/images/win/Windows2019-Azure.json b/images/win/Windows2019-Azure.json
index a8623ef28..f8ebb4bcd 100644
--- a/images/win/Windows2019-Azure.json
+++ b/images/win/Windows2019-Azure.json
@@ -478,6 +478,8 @@
         },
         {
             "type": "powershell",
+            "elevated_user": "SYSTEM",
+            "elevated_password": "",
             "scripts":[
                 "{{ template_dir }}/scripts/Installers/Install-TypeScript.ps1"
             ]