diff --git a/scripts/Update-OvfConfiguration.yml b/scripts/Update-OvfConfiguration.yml
index 45a7203..b8b03dd 100644
--- a/scripts/Update-OvfConfiguration.yml
+++ b/scripts/Update-OvfConfiguration.yml
@@ -129,7 +129,7 @@ PropertyCategories:
     Type: string(1..)
     Label: vCenter username*
     Description: The username which this bootstrap appliance will authenticate with to the vCenter instance.
-    DefaultValue: ''
+    DefaultValue: 'administrator@vsphere.local'
     Configurations: '*'
     UserConfigurable: true