diff --git a/datamodels/2.x/itop-oauth-client/datamodel.itop-oauth-client.xml b/datamodels/2.x/itop-oauth-client/datamodel.itop-oauth-client.xml
index c39eb2f1d..3335ab29a 100644
--- a/datamodels/2.x/itop-oauth-client/datamodel.itop-oauth-client.xml
+++ b/datamodels/2.x/itop-oauth-client/datamodel.itop-oauth-client.xml
@@ -441,6 +441,21 @@
   }
             ]]></code>
         </method>
+        <method id="OnUpdate">
+          <static>false</static>
+          <access>protected</access>
+          <type>Overload-DBObject</type>
+          <code><![CDATA[
+      protected function OnUpdate()
+      {
+		    $aChanges = $this->ListChanges();
+        if (array_key_exists('client_id', $aChanges) || array_key_exists('client_secret', $aChanges) || array_key_exists('redirect_url', $aChanges)) {
+            $sMessage = Dict::S('itop-oauth-client:Message:RegenerateToken');
+            self::SetSessionMessage(get_class($this), $this->GetKey(), 'RegenerateToken', $sMessage, 'info', 1);
+        }
+      }
+           ]]></code>
+        </method>
         <method id="DoCheckToWrite">
           <static>false</static>
           <access>public</access>
@@ -450,15 +465,13 @@
 		parent::DoCheckToWrite();
 
 		$aChanges = $this->ListChanges();
-		if (array_key_exists('name', $aChanges) || array_key_exists('used_for_smtp', $aChanges))
-		{
+		if (array_key_exists('name', $aChanges) || array_key_exists('used_for_smtp', $aChanges)) {
 			$sNewName = $this->Get('name');
 			$sNewUseForSMTP = $this->Get('used_for_smtp');
 			if ($sNewUseForSMTP == 'yes') {
         $oSearch = DBObjectSearch::FromOQL_AllData("SELECT OAuthClientGoogle WHERE name = :newname AND used_for_smtp = :newuseforsmtp AND id != :id UNION SELECT OAuthClientAzure WHERE name = :newname AND used_for_smtp = :newuseforsmtp AND id != :id");
         $oSet = new DBObjectSet($oSearch, array(), ['id' => $this->GetKey(), 'newname' => $sNewName, 'newuseforsmtp' => $sNewUseForSMTP]);
-        if ($oSet->Count() > 0)
-        {
+        if ($oSet->Count() > 0) {
             $this->m_aCheckIssues[] = Dict::Format('OAuthClient:Name/UseForSMTPMustBeUnique', $sNewName, $sNewUseForSMTP);
         }
 			}
@@ -500,7 +513,6 @@
   {
     switch ($sAttCode) {
         case 'provider':
-        case 'redirect_url':
         case 'used_scope':
             return OPT_ATT_READONLY;
     }
@@ -518,7 +530,6 @@
   {
     switch ($sAttCode) {
         case 'provider':
-        case 'redirect_url':
         case 'used_scope':
             return OPT_ATT_READONLY;
     }
@@ -800,7 +811,6 @@
 	{
     switch ($sAttCode) {
         case 'provider':
-        case 'redirect_url':
         case 'used_scope':
             return OPT_ATT_READONLY;
     }
@@ -818,7 +828,6 @@
 	{
     switch ($sAttCode) {
         case 'provider':
-        case 'redirect_url':
         case 'used_scope':
             return OPT_ATT_READONLY;
     }
@@ -863,6 +872,21 @@
   }
             ]]></code>
         </method>
+        <method id="OnUpdate">
+          <static>false</static>
+          <access>protected</access>
+          <type>Overload-DBObject</type>
+          <code><![CDATA[
+      protected function OnUpdate()
+      {
+		    $aChanges = $this->ListChanges();
+        if (array_key_exists('client_id', $aChanges) || array_key_exists('client_secret', $aChanges) || array_key_exists('redirect_url', $aChanges)) {
+            $sMessage = Dict::S('itop-oauth-client:Message:RegenerateToken');
+            self::SetSessionMessage(get_class($this), $this->GetKey(), 'RegenerateToken', $sMessage, 'info', 1);
+        }
+      }
+           ]]></code>
+        </method>
       </methods>
     </class>
   </classes>
diff --git a/datamodels/2.x/itop-oauth-client/en.dict.itop-oauth-client.php b/datamodels/2.x/itop-oauth-client/en.dict.itop-oauth-client.php
index 5c3a66132..630eaea63 100644
--- a/datamodels/2.x/itop-oauth-client/en.dict.itop-oauth-client.php
+++ b/datamodels/2.x/itop-oauth-client/en.dict.itop-oauth-client.php
@@ -19,6 +19,7 @@ Dict::Add('EN US', 'English', 'English', [
 	'itop-oauth-client:TestSMTP' => 'Email send test',
 	'itop-oauth-client:MissingOAuthClient' => 'Missing Oauth client for user name %1$s',
 	'itop-oauth-client:Message:MissingToken' => 'Generate access token before using this OAuth client',
+	'itop-oauth-client:Message:RegenerateToken' => 'Regenerate access token to to take into account the changes',
 	'itop-oauth-client:Message:TokenCreated' => 'Access token created',
 	'itop-oauth-client:Message:TokenRecreated' => 'Access token regenerated',
 	'itop-oauth-client:Message:TokenError' => 'Access token not generated due to server error',
diff --git a/datamodels/2.x/itop-oauth-client/fr.dict.itop-oauth-client.php b/datamodels/2.x/itop-oauth-client/fr.dict.itop-oauth-client.php
index 339538d52..9797153e8 100644
--- a/datamodels/2.x/itop-oauth-client/fr.dict.itop-oauth-client.php
+++ b/datamodels/2.x/itop-oauth-client/fr.dict.itop-oauth-client.php
@@ -19,6 +19,7 @@ Dict::Add('FR FR', 'French', 'Français', [
 	'itop-oauth-client:TestSMTP' => 'Tester l\'envoi de mail',
 	'itop-oauth-client:MissingOAuthClient' => 'Il n\'y a pas de client OAuth pour l\'utilisateur %1$s',
 	'itop-oauth-client:Message:MissingToken' => 'Générez le jeton d\'accès avant d\'utiliser ce client OAuth',
+	'itop-oauth-client:Message:RegenerateToken' => 'Re-générez le jeton d\'accès prendre en compte les modifications',
 	'itop-oauth-client:Message:TokenCreated' => 'Le jeton d\'accès à été créé',
 	'itop-oauth-client:Message:TokenRecreated' => 'Le jeton d\'accès à été renouvelé',
 	'itop-oauth-client:Message:TokenError' => 'Le jeton d\'accès n\'a pas été généré à cause d`une erreur serveur',