diff --git a/module/Application/src/Application/View/Helper/UpdateAlert.php b/module/Application/src/Application/View/Helper/UpdateAlert.php
index 6bc85926..27fd1ce1 100644
--- a/module/Application/src/Application/View/Helper/UpdateAlert.php
+++ b/module/Application/src/Application/View/Helper/UpdateAlert.php
@@ -32,11 +32,17 @@ class UpdateAlert extends AbstractHelper
    protected $value;
    protected $result;
 
-   public function __invoke($value)
+   public function __invoke($a=null,$b=null)
    {
-      if($value) {
-         $this->result = '<a data-toggle="tooltip" data-placement="bottom" href="http://download.bareos.com/" target="_blank"title="Updates available"><span class="glyphicon glyphicon-exclamation-sign text-danger" aria-hidden="true"></span></a>';
-         return $this->result;
+      if($a) {
+         if($b) {
+            $this->result = '<a data-toggle="tooltip" data-placement="bottom" href="http://download.bareos.com/" target="_blank"title="Updates available"><span class="glyphicon glyphicon-exclamation-sign text-danger" aria-hidden="true"></span></a>';
+            return $this->result;
+         }
+      }
+      else {
+         $this->result = '<a data-toggle="tooltip" data-placement="bottom" href="http://download.bareos.com/" target="_blank"title="Update informaton could not be retrieved"><span class="glyphicon glyphicon-exclamation-sign text-danger" aria-hidden="true"></span></a>';
+            return $this->result;
       }
    }
 }
diff --git a/module/Application/view/layout/layout.phtml b/module/Application/view/layout/layout.phtml
index 2efb0947..765b2bcc 100644
--- a/module/Application/view/layout/layout.phtml
+++ b/module/Application/view/layout/layout.phtml
@@ -81,7 +81,7 @@ echo $this->doctype();
          <?php echo $this->navigation('navigation')->menu()->setMinDepth(0)->setMaxDepth(0)->setUlClass('nav navbar-nav'); ?>
          <ul class="nav navbar-nav navbar-right">
             <li class="dropdown">
-               <?php echo $this->UpdateAlert($_SESSION['bareos']['dird-update-available']); ?>
+               <?php echo $this->UpdateAlert($_SESSION['bareos']['product-updates-status'],$_SESSION['bareos']['dird-update-available']); ?>
             </li>
             <li class="dropdown">
                <a href="#"><span class="glyphicon glyphicon-th"></span>&nbsp;<?php echo $_SESSION['bareos']['director']; ?></a>
diff --git a/module/Auth/src/Auth/Controller/AuthController.php b/module/Auth/src/Auth/Controller/AuthController.php
index fcfb8c1f..1a1f1e6d 100644
--- a/module/Auth/src/Auth/Controller/AuthController.php
+++ b/module/Auth/src/Auth/Controller/AuthController.php
@@ -86,7 +86,8 @@ public function loginAction()
                $_SESSION['bareos']['product-updates'] = $bareos_updates;
                $_SESSION['bareos']['dird-update-available'] = false;
 
-               if(isset($bareos_updates) && $bareos_updates != NULL) {
+               if(isset($bareos_updates) && $bareos_updates != false) {
+                  $_SESSION['bareos']['product-updates-status'] = true;
                   $updates = json_decode($bareos_updates, true);
 
                   try {
@@ -126,6 +127,10 @@ public function loginAction()
                      }
                   }
                }
+               else {
+                  // updates could not be retrieved by ajax call
+                  $_SESSION['bareos']['product-updates-status'] = false;
+               }
 
                // Get the config.
                $configuration = $this->getServiceLocator()->get('configuration');
diff --git a/module/Storage/src/Storage/Controller/StorageController.php b/module/Storage/src/Storage/Controller/StorageController.php
index 812cf104..8e7967ce 100644
--- a/module/Storage/src/Storage/Controller/StorageController.php
+++ b/module/Storage/src/Storage/Controller/StorageController.php
@@ -152,7 +152,7 @@ public function detailsAction()
          }
          elseif($action == "release") {
             $storage = $this->params()->fromQuery('storage');
-            $drive = $this->params()->fromQuery('drive');
+            $drive = $this->params()->fromQuery('srcslots');
 
             try {
                $result = $this->getStorageModel()->releaseSlot($this->bsock, $storage, $drive);
diff --git a/packaging/obs/bareos-webui.spec b/packaging/obs/bareos-webui.spec
index b9372a07..fa7f4f85 100644
--- a/packaging/obs/bareos-webui.spec
+++ b/packaging/obs/bareos-webui.spec
@@ -1,7 +1,7 @@
 
 Name:          bareos-webui
 #Provides:
-Version:       15.2.1
+Version:       16.2.0
 Release:       0%{?dist}
 Summary:       Bareos Web User Interface
 
@@ -15,7 +15,11 @@ BuildArch:     noarch
 
 BuildRequires: autoconf automake bareos-common
 
-Requires: php >= 5.3.3
+# ZendFramework 2.4 says it required php >= 5.3.23.
+# However, it works on SLES 11 with php 5.3.17
+# while it does not work with php 5.3.3 (RHEL6).
+Requires: php >= 5.3.17
+
 Requires: php-bz2
 Requires: php-ctype
 Requires: php-curl
@@ -60,8 +64,6 @@ BuildRequires: mod_php_any
 %define daemon_group www
 Requires:   apache
 Requires:   mod_php_any
-#Recommends: php-pgsql php-mysql php-sqlite
-#Suggests:   postgresql-server mysql sqlite3
 %else
 #if 0#{?fedora} || 0#{?rhel_version} || 0#{?centos_version}
 BuildRequires: httpd
@@ -116,6 +118,7 @@ echo %version | grep -o  '[0-9]\{1,3\}\.[0-9]\{1,3\}\.[0-9]\{1,3\}' > %{buildroo
 #       if the old config file don't exists but we have created a backup before,
 #       restore the old config file.
 #       Remove our backup, if it exists.
+# This update helper should be removed wih bareos-17.x.
 
 %define post_backup_file() \
 if [ -f  %1 ]; then \
@@ -134,14 +137,23 @@ fi; \
 
 %post
 %post_backup_file /etc/bareos/bareos-dir.d/webui-consoles.conf
-%posttrans_restore_file /etc/bareos/bareos-dir.d/webui-consoles.conf
 %post_backup_file /etc/bareos/bareos-dir.d/webui-profiles.conf
-%posttrans_restore_file /etc/bareos/bareos-dir.d/webui-profiles.conf
 a2enmod setenv &> /dev/null || true
 a2enmod rewrite &> /dev/null || true
 
-%if 0%{?suse_version} >= 1215
-a2enmod php7 &> /dev/null || true
+%posttrans
+%posttrans_restore_file /etc/bareos/bareos-dir.d/webui-consoles.conf
+%posttrans_restore_file /etc/bareos/bareos-dir.d/webui-profiles.conf
+
+%if 0%{?suse_version} >= 1315
+# 1315:
+#   SLES12 (PHP 7)
+#   openSUSE Leap 42.1 (PHP 5)
+if php -v | grep -q "PHP 7"; then
+  a2enmod php7 &> /dev/null || true
+else
+  a2enmod php5 &> /dev/null || true
+fi
 %else
 a2enmod php5 &> /dev/null || true
 %endif