Fixed issue #1114 - Configuration of LDAP with disabled anonymous bind fails.

app/assets/javascripts/app/controllers/_integration/ldap.coffee

@@ -287,6 +287,7 @@ class ConnectionWizard extends App.WizardModal
 
         option = ''
         options = {}
+        if !_.isEmpty data.attributes
           for dn in data.attributes.namingcontexts
             options[dn] = dn
             if option is ''

app/controllers/integration/ldap_controller.rb

@@ -14,14 +14,23 @@ class Integration::LdapController < ApplicationController
       attributes: ldap.preferences,
     }
   rescue => e
+    # workaround for issue #1114
+    if e.message.end_with?(', 48, Inappropriate Authentication')
+      result = {
+        result:     'ok',
+        attributes: {},
+      }
+    else
       logger.error e
-
-    render json: {
+      result = {
         result:  'failed',
         message: e.message,
       }
     end
 
+    render json: result
+  end
+
   def bind
     # create single instance so
     # User and Group don't have to