diff --git a/arangod/Cluster/ClusterComm.cpp b/arangod/Cluster/ClusterComm.cpp
index 79d652a16c..71e684834b 100644
--- a/arangod/Cluster/ClusterComm.cpp
+++ b/arangod/Cluster/ClusterComm.cpp
@@ -1036,6 +1036,7 @@ size_t ClusterComm::performRequests(std::vector<ClusterCommRequest>& requests,
                                     arangodb::LogTopic const& logTopic) {
 
   if (requests.size() == 0) {
+    nrDone = 0;
     return 0;
   }
 
@@ -1065,7 +1066,10 @@ size_t ClusterComm::performRequests(std::vector<ClusterCommRequest>& requests,
       // First send away what is due:
       for (size_t i = 0; i < requests.size(); i++) {
         if (!requests[i].done && now >= dueTime[i]) {
-          auto headers = std::make_unique<std::map<std::string, std::string>>();
+          if (requests[i].headerFields.get() == nullptr) {
+            requests[i].headerFields 
+                = std::make_unique<std::map<std::string, std::string>>();
+          }
           LOG_TOPIC(TRACE, logTopic)
               << "ClusterComm::performRequests: sending request to "
               << requests[i].destination << ":" << requests[i].path
@@ -1075,7 +1079,8 @@ size_t ClusterComm::performRequests(std::vector<ClusterCommRequest>& requests,
                                   requests[i].requestType,
                                   requests[i].path,
                                   requests[i].body,
-                                  headers, nullptr, timeout - (now - startTime),
+                                  requests[i].headerFields,
+                                  nullptr, timeout - (now - startTime),
                                   false);
           if (res.status == CL_COMM_ERROR) {
             // We did not find the destination, this is could change in the
@@ -1159,6 +1164,9 @@ size_t ClusterComm::performRequests(std::vector<ClusterCommRequest>& requests,
   // We only get here if the global timeout was triggered, not all
   // requests are marked by done!
 
+  LOG_TOPIC(ERR, logTopic) << "ClusterComm::performRequests: "
+      << "got timeout, this will be reported...";
+
   // Forget about 
   drop("", coordinatorTransactionID, 0, "");
   return nrGood;
diff --git a/arangod/Cluster/ClusterComm.h b/arangod/Cluster/ClusterComm.h
index fa2bd43dab..6cab593c6e 100644
--- a/arangod/Cluster/ClusterComm.h
+++ b/arangod/Cluster/ClusterComm.h
@@ -183,12 +183,13 @@ void ClusterCommRestCallback(std::string& coordinator,
 ////////////////////////////////////////////////////////////////////////////////
 
 struct ClusterCommRequest {
-  std::string                        destination;
-  GeneralRequest::RequestType        requestType;
-  std::string                        path;
-  std::shared_ptr<std::string const> body;
-  ClusterCommResult                  result;
-  bool                               done;
+  std::string                                         destination;
+  GeneralRequest::RequestType                         requestType;
+  std::string                                         path;
+  std::shared_ptr<std::string const>                  body;
+  std::unique_ptr<std::map<std::string, std::string>> headerFields;
+  ClusterCommResult                                   result;
+  bool                                                done;
 
   ClusterCommRequest() : done(false) {
   }
@@ -201,6 +202,9 @@ struct ClusterCommRequest {
   {
   }
 
+  void setHeaders(std::unique_ptr<std::map<std::string, std::string>>& headers) {
+    headerFields = std::move(headers);
+  }
 };
 
 ////////////////////////////////////////////////////////////////////////////////
diff --git a/js/apps/system/_admin/aardvark/APP/aardvark.js b/js/apps/system/_admin/aardvark/APP/aardvark.js
index 80fdc6ee55..b18044f85d 100644
--- a/js/apps/system/_admin/aardvark/APP/aardvark.js
+++ b/js/apps/system/_admin/aardvark/APP/aardvark.js
@@ -109,16 +109,6 @@ router.post('/login', function (req, res) {
 `);
 
 
-router.get('/unauthorized', function(req, res) {
-  res.throw('unauthorized');
-})
-.error('unauthorized')
-.summary('Unauthorized')
-.description(dd`
-  Responds with a HTTP 401 response.
-`);
-
-
 const authRouter = createRouter();
 router.use(authRouter);
 
diff --git a/js/apps/system/_admin/aardvark/APP/frontend/js/templates/nodesView.ejs b/js/apps/system/_admin/aardvark/APP/frontend/js/templates/nodesView.ejs
index 5f55828989..a4d2cb0155 100644
--- a/js/apps/system/_admin/aardvark/APP/frontend/js/templates/nodesView.ejs
+++ b/js/apps/system/_admin/aardvark/APP/frontend/js/templates/nodesView.ejs
@@ -2,11 +2,16 @@
 
   <div id="nodesContent" class="innerContent">
 
-  <% if(coords.length > 0) { %>
-  <% var genClass = "pure-u-1-" + Object.keys(coords[0]).length; %>
+  <% if (coords.length > 0) { %>
+    <% var disabled = ''; %> 
+    <% var genClass = "pure-u-1-" + Object.keys(coords[0]).length; %>
+
+    <% if (type !== 'coordinator') { %>
+      <% disabled = " disabled"; %> 
+    <% } %>
 
     <div class="pure-g cluster-nodes-title pure-table pure-table-header pure-title">
-      <div class="pure-table-row">
+      <div class="pure-table-row <%= disabled %> ">
         <div class="<%= genClass %> mid">Name</div>
         <div class="<%= genClass %> mid">Address</div>
         <div class="<%= genClass %> mid">Protocol</div>
@@ -24,7 +29,7 @@
 
       <% _.each(coords, function(node) { %>
 
-        <div class="pure-table-row" node="<%=node.name%>">
+        <div class="pure-table-row disabled" node="<%=node.name%>">
 
           <div class="<%= genClass %> mid"><%= node.name %></div>
           <div class="<%= genClass %> mid"><%= node.address %></div>
diff --git a/js/apps/system/_admin/aardvark/APP/frontend/js/views/nodesView.js b/js/apps/system/_admin/aardvark/APP/frontend/js/views/nodesView.js
index e6e263c521..efc9a57f0d 100644
--- a/js/apps/system/_admin/aardvark/APP/frontend/js/views/nodesView.js
+++ b/js/apps/system/_admin/aardvark/APP/frontend/js/views/nodesView.js
@@ -12,16 +12,20 @@
     knownServers: [],
 
     events: {
-      "click .pure-table-body .pure-table-row": "navigateToNode"  
     },
 
     initialize: function (options) {
+
       if (window.App.isCluster) {
         this.dbServers = options.dbServers;
         this.coordinators = options.coordinators;
         this.updateServerTime();
         this.toRender = options.toRender;
 
+        if (this.toRender !== 'coordinator') {
+          this.events["click .pure-table-body .pure-table-row"] = "navigateToNode";
+        }
+
         //start polling with interval
         window.setInterval(function() {
           if (window.location.hash === '#cNodes' || window.location.hash === '#dNodes') {
diff --git a/js/apps/system/_admin/aardvark/APP/frontend/scss/_pure.scss b/js/apps/system/_admin/aardvark/APP/frontend/scss/_pure.scss
index 2d30d098d5..5699f3f415 100644
--- a/js/apps/system/_admin/aardvark/APP/frontend/scss/_pure.scss
+++ b/js/apps/system/_admin/aardvark/APP/frontend/scss/_pure.scss
@@ -29,12 +29,20 @@
     color: $c-pure-text;
     font-weight: 100;
     line-height: 40px;
+    width: 100%;
 
     &:hover {
       background-color: rgb(239, 240, 235);
       cursor: pointer;
     }
 
+    &.disabled {
+      &:hover {
+        background-color: $c-white;
+        cursor: not-allowed;
+      }
+    }
+
     .left {
       text-align: left;
     }