diff --git a/app/assets/javascripts/app/controllers/_application_controller.coffee b/app/assets/javascripts/app/controllers/_application_controller.coffee
index 176173dc3..e695c369e 100644
--- a/app/assets/javascripts/app/controllers/_application_controller.coffee
+++ b/app/assets/javascripts/app/controllers/_application_controller.coffee
@@ -546,6 +546,15 @@ class App.Controller extends Spine.Controller
     return if !@initLoadingDoneDelay
     @clearDelay(@initLoadingDoneDelay)
 
+  renderScreenError: (data) ->
+    @html App.view('generic/error/generic')(data)
+
+  renderScreenNotFound: (data) ->
+    @html App.view('generic/error/not_found')(data)
+
+  renderScreenUnauthorized: (data) ->
+    @html App.view('generic/error/unauthorized')(data)
+
 class App.ControllerPermanent extends App.Controller
   constructor: ->
     super
diff --git a/app/assets/javascripts/app/controllers/chat.coffee b/app/assets/javascripts/app/controllers/chat.coffee
index a26cbd98f..7bd2133c1 100644
--- a/app/assets/javascripts/app/controllers/chat.coffee
+++ b/app/assets/javascripts/app/controllers/chat.coffee
@@ -10,11 +10,17 @@ class App.CustomerChat extends App.Controller
   constructor: ->
     super
 
-    return if !@isRole('Chat')
+    # access check
+    if !@isRole('Chat')
+      @renderScreenUnauthorized(objectName: 'Chat')
+      return
+    if !@Config.get('chat')
+      @renderScreenError(detail: 'Feature disabled!')
+      return
 
     @chatWindows = {}
     @maxChats = 4
-
+    @pushStateStarted = false
     @messageCounter = 0
     @meta =
       active: false
@@ -26,21 +32,28 @@ class App.CustomerChat extends App.Controller
 
     @on 'layout-has-changed', @propagateLayoutChange
 
+    # update navbar on new status
     @bind(
       'chat_status_agent'
       (data) =>
         @meta = data
         @updateMeta()
-        @interval(@pushState, 20000, 'pushState')
+        if !@pushStateStarted
+          @pushStateStarted = true
+          @interval(@pushState, 30000, 'pushState')
     )
+
+    # add new chat window
     @bind(
       'chat_session_start'
       (data) =>
         if data.session
           @addChat(data.session)
     )
+
+    # on new login or on
     @bind(
-      'ws:login'
+      'ws:login chat_agent_state'
       ->
         App.WebSocket.send(event:'chat_status_agent')
     )
diff --git a/app/assets/javascripts/app/controllers/ticket_zoom.coffee b/app/assets/javascripts/app/controllers/ticket_zoom.coffee
index aaeb4cc7d..e9a6cb1e1 100644
--- a/app/assets/javascripts/app/controllers/ticket_zoom.coffee
+++ b/app/assets/javascripts/app/controllers/ticket_zoom.coffee
@@ -201,18 +201,18 @@ class App.TicketZoom extends App.Controller
         if status is 401 || statusText is 'Unauthorized'
           @taskHead      = '» ' + App.i18n.translateInline('Unauthorized') + ' «'
           @taskIconClass = 'diagonal-cross'
-          @html App.view('generic/error/unauthorized')( objectName: 'Ticket' )
+          @renderScreenUnauthorized(objectName: 'Ticket')
         else if status is 404 || statusText is 'Not Found'
           @taskHead      = '» ' + App.i18n.translateInline('Not Found') + ' «'
           @taskIconClass = 'diagonal-cross'
-          @html App.view('generic/error/not_found')( objectName: 'Ticket' )
+          @renderScreenNotFound(objectName: 'Ticket')
         else
           @taskHead      = '» ' + App.i18n.translateInline('Error') + ' «'
           @taskIconClass = 'diagonal-cross'
 
           if !detail
             detail = 'General communication error, maybe internet is not available!'
-          @html App.view('generic/error/generic')(
+          @renderScreenError(
             status:     status
             detail:     detail
             objectName: 'Ticket'
diff --git a/app/assets/javascripts/app/views/generic/error/generic.jst.eco b/app/assets/javascripts/app/views/generic/error/generic.jst.eco
index 180360653..1a97ed816 100644
--- a/app/assets/javascripts/app/views/generic/error/generic.jst.eco
+++ b/app/assets/javascripts/app/views/generic/error/generic.jst.eco
@@ -1,4 +1,4 @@
 <div class="fullscreenMessage">
   <%- @Icon('diagonal-cross', 'icon-error') %>
-  <h2><%- @T('Status Code') %>: <%= @status %>. <%= @detail %></h2>
+  <h2><% if @status isnt undefined: %><%- @T('Status Code') %>: <%= @status %>. <% end %><%= @detail %></h2>
 </div>
\ No newline at end of file
diff --git a/lib/sessions/event/chat_agent_state.rb b/lib/sessions/event/chat_agent_state.rb
index a201b9c92..4edc40b61 100644
--- a/lib/sessions/event/chat_agent_state.rb
+++ b/lib/sessions/event/chat_agent_state.rb
@@ -17,6 +17,9 @@ class Sessions::Event::ChatAgentState < Sessions::Event::ChatBase
 
     Chat::Agent.state(@session['id'], @data['data']['active'])
 
+    # broadcast new state to agents
+    broadcast_agent_state_update(@session['id'])
+
     {
       event: 'chat_agent_state',
       data: {
diff --git a/lib/sessions/event/chat_base.rb b/lib/sessions/event/chat_base.rb
index cdd9f0587..f630fa893 100644
--- a/lib/sessions/event/chat_base.rb
+++ b/lib/sessions/event/chat_base.rb
@@ -22,10 +22,11 @@ class Sessions::Event::ChatBase
     false
   end
 
-  def broadcast_agent_state_update
+  def broadcast_agent_state_update(ignore_user_id = nil)
 
     # send broadcast to agents
     Chat::Agent.where(active: true).each {|item|
+      next if item.updated_by_id == ignore_user_id
       data = {
         event: 'chat_status_agent',
         data: Chat.agent_state(item.updated_by_id),