diff --git a/workflow/engine/js/src/Sessions.js b/workflow/engine/js/src/Sessions.js
index e4ae2f89d..532b2bdd8 100644
--- a/workflow/engine/js/src/Sessions.js
+++ b/workflow/engine/js/src/Sessions.js
@@ -1,7 +1,12 @@
 PM.Sessions = (function () {
     var Sessions = function () {
+        if (this.getCookie('singleSignOn') === '1') {
+            this.register();
+            this.eraseCookie('singleSignOn');
+        }
         if (window.location.pathname.indexOf("login") === -1 &&
             window.location.pathname.indexOf("sysLogin") === -1 &&
+            window.location.pathname.indexOf("authentication") === -1 &&
             this.getCookie('PM-TabPrimary') !== '101010010') {
             this.isClose = (this.getLabel('mainWindowClose') === "true");
             if (this.isClose && parent.parent.parent.window.name === "") {
diff --git a/workflow/engine/methods/login/authentication.php b/workflow/engine/methods/login/authentication.php
index a08c11c9a..c35cb4cb5 100755
--- a/workflow/engine/methods/login/authentication.php
+++ b/workflow/engine/methods/login/authentication.php
@@ -34,6 +34,7 @@ try {
     }
 
     if (!$RBAC->singleSignOn) {
+        setcookie("singleSignOn", '0', time() + (24 * 60 * 60), '/');
         if (!isset($_POST['form']) ) {
             G::SendTemporalMessage ('ID_USER_HAVENT_RIGHTS_SYSTEM', 'error');
             G::header('Location: login');
@@ -175,6 +176,7 @@ try {
         $_SESSION['USER_LOGGED']  = $uid;
         $_SESSION['USR_USERNAME'] = $usr;
     } else {
+        setcookie("singleSignOn", '1', time() + (24 * 60 * 60), '/');
         $uid = $RBAC->userObj->fields['USR_UID'];
         $usr = $RBAC->userObj->fields['USR_USERNAME'];
         $_SESSION['USER_LOGGED']  = $uid;