diff --git a/entity_menu_links.install b/entity_menu_links.install
index fd5562a..3a568a7 100644
--- a/entity_menu_links.install
+++ b/entity_menu_links.install
@@ -41,6 +41,13 @@ function entity_menu_links_install_revisions() {
 
   $menu_links_revision_fields = implode(',', array_keys($rev_fields)) . ', timestamp';
   $menu_links_fields = implode(',', array_keys($links_fields)) . ', ' . time();
+  global $databases;
+  if (isset($databases['default']['default']['driver'])) {
+    if ($databases['default']['default']['driver'] == 'sqlsrv') {
+      $menu_links_revision_fields = str_replace('external', '[external]', $menu_links_revision_fields);
+      $menu_links_fields = str_replace('external', '[external]', $menu_links_fields);
+    }
+  }
 
   $query = "INSERT INTO {menu_links_revision} ($menu_links_revision_fields) SELECT $menu_links_fields FROM {menu_links} WHERE module = :module";
   db_query($query, array(':module' => 'menu'));