Ticket #16076: 16076.diff

wp-admin/includes/misc.php

@@ -148 +148 @@
  *
  * @return bool True if web.config was updated successfully
  */
-function iis7_save_url_rewrite_rules(){
+function iis7_save_url_rewrite_rules() {
+        if ( is_multisite() )
+                return;
+
         global $wp_rewrite;
 
         $home_path = get_home_path();