diff --git a/htdocs/core/ajax/ajaxtooltip.php b/htdocs/core/ajax/ajaxtooltip.php
index 84dd613d1b5..d5461b0dc1b 100644
--- a/htdocs/core/ajax/ajaxtooltip.php
+++ b/htdocs/core/ajax/ajaxtooltip.php
@@ -151,6 +151,10 @@ if ($objecttype == 'facture' || $objecttype == 'invoice') {
 	$classpath = 'product/stock/class';
 	$module = 'stock';
 	$myobject = 'productlot';
+} elseif ($objecttype == 'usergroup') {
+	$classpath = 'user/class';
+	$module = 'user';
+	$myobject = 'usergroup';
 }
 
 // Generic case for $classfile and $classname
diff --git a/htdocs/user/card.php b/htdocs/user/card.php
index 964f4b9a67f..f7ea29d6720 100644
--- a/htdocs/user/card.php
+++ b/htdocs/user/card.php
@@ -50,7 +50,7 @@ require_once DOL_DOCUMENT_ROOT.'/core/class/html.formcompany.class.php';
 require_once DOL_DOCUMENT_ROOT.'/core/class/html.formother.class.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/functions2.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/security2.lib.php';
-if (!empty($conf->ldap->enabled)) {
+if (isModEnabled('ldap')) {
 	require_once DOL_DOCUMENT_ROOT.'/core/class/ldap.class.php';
 }
 if (isModEnabled('adherent')) {
@@ -785,7 +785,7 @@ if ($action == 'create' || $action == 'adduserldap') {
 	print "<br>";
 
 
-	if (!empty($conf->ldap->enabled) && (isset($conf->global->LDAP_SYNCHRO_ACTIVE) && getDolGlobalInt('LDAP_SYNCHRO_ACTIVE') === Ldap::SYNCHRO_LDAP_TO_DOLIBARR)) {
+	if (isModEnabled('ldap')et($conf->global->LDAP_SYNCHRO_ACTIVE) && getDolGlobalInt('LDAP_SYNCHRO_ACTIVE') === Ldap::SYNCHRO_LDAP_TO_DOLIBARR)) {
 		// Show form to add an account from LDAP if sync LDAP -> Dolibarr is set
 		$ldap = new Ldap();
 		$result = $ldap->connect_bind();
@@ -1375,7 +1375,7 @@ if ($action == 'create' || $action == 'adduserldap') {
 
 		// Connexion ldap
 		// pour recuperer passDoNotExpire et userChangePassNextLogon
-		if (!empty($conf->ldap->enabled) && !empty($object->ldap_sid)) {
+		if (isModEnabled('ldap') && !empty($object->ldap_sid)) {
 			$ldap = new Ldap();
 			$result = $ldap->connect_bind();
 			if ($result > 0) {
@@ -2896,7 +2896,7 @@ if ($action == 'create' || $action == 'adduserldap') {
 			print '</div></div>';
 		}
 
-		if (!empty($conf->ldap->enabled) && !empty($object->ldap_sid)) {
+		if (isModEnabled('ldap') && !empty($object->ldap_sid)) {
 			$ldap->unbind();
 		}
 	}
diff --git a/htdocs/user/class/usergroup.class.php b/htdocs/user/class/usergroup.class.php
index a9884ca59d1..327de8def0b 100644
--- a/htdocs/user/class/usergroup.class.php
+++ b/htdocs/user/class/usergroup.class.php
@@ -7,6 +7,7 @@
  * Copyright (C) 2014		Alexis Algoud		 <alexis@atm-consulting.fr>
  * Copyright (C) 2018       Nicolas ZABOURI		 <info@inovea-conseil.com>
  * Copyright (C) 2019       Abbes Bahfir            <dolipar@dolipar.org>
+ * Copyright (C) 2023       Frédéric France      <frederic.france@netlogic.fr>
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -28,7 +29,7 @@
  */
 
 require_once DOL_DOCUMENT_ROOT.'/core/class/commonobject.class.php';
-if (!empty($conf->ldap->enabled)) {
+if (isModEnabled('ldap')) {
 	require_once DOL_DOCUMENT_ROOT."/core/class/ldap.class.php";
 }
 
@@ -706,6 +707,33 @@ class UserGroup extends CommonObject
 		return '';
 	}
 
+	/**
+	 * getTooltipContentArray
+	 *
+	 * @param array $params ex option, infologin
+	 * @since v18
+	 * @return array
+	 */
+	public function getTooltipContentArray($params)
+	{
+		global $conf, $langs, $menumanager;
+
+		$option = $params['option'] ?? '';
+
+		$datas = [];
+		if (!empty($conf->global->MAIN_OPTIMIZEFORTEXTBROWSER)) {
+			$langs->load("users");
+			return ['optimize' => $langs->trans("ShowGroup")];
+		}
+		$datas['divopen'] = '<div class="centpercent">';
+		$datas['picto'] = img_picto('', 'group').' <u>'.$langs->trans("Group").'</u><br>';
+		$datas['name'] = '<b>'.$langs->trans('Name').':</b> '.$this->name;
+		$datas['description'] = '<br><b>'.$langs->trans("Description").':</b> '.$this->note;
+		$datas['divclose'] = '</div>';
+
+		return $datas;
+	}
+
 	/**
 	 *  Return a link to the user card (with optionaly the picto)
 	 *  Use this->id,this->lastname, this->firstname
@@ -759,8 +787,18 @@ class UserGroup extends CommonObject
 				$label = $langs->trans("ShowGroup");
 				$linkclose .= ' alt="'.dol_escape_htmltag($label, 1, 1).'"';
 			}
-			$linkclose .= ' title="'.dol_escape_htmltag($label, 1, 1).'"';
-			$linkclose .= ' class="classfortooltip'.($morecss ? ' '.$morecss : '').'"';
+			if (getDolGlobalInt('MAIN_ENABLE_AJAX_TOOLTIP')) {
+				$params = [
+					'id' => $this->id,
+					'objecttype' => $this->element,
+					'option' => $option,
+				];
+				$linkclose .= ' data-params='.json_encode($params).' title="' . $langs->trans('Loading') . '"';
+				$linkclose .= ' class="classforajaxtooltip'.($morecss ? ' '.$morecss : '').'"';
+			} else {
+				$linkclose .= ' title="'.dol_escape_htmltag($label, 1, 1).'"';
+				$linkclose .= ' class="classfortooltip'.($morecss ? ' '.$morecss : '').'"';
+			}
 		}
 
 		$linkstart = '<a href="'.$url.'"';
diff --git a/htdocs/user/passwordforgotten.php b/htdocs/user/passwordforgotten.php
index 96054b0d802..4d0702aeb74 100644
--- a/htdocs/user/passwordforgotten.php
+++ b/htdocs/user/passwordforgotten.php
@@ -30,7 +30,7 @@ require '../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/contact/class/contact.class.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/usergroups.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/functions2.lib.php';
-if (!empty($conf->ldap->enabled)) {
+if (isModEnabled('ldap')) {
 	require_once DOL_DOCUMENT_ROOT.'/core/class/ldap.class.php';
 }
 
diff --git a/test/phpunit/AllTests.php b/test/phpunit/AllTests.php
index 1d57db17ffc..ec419ad9987 100644
--- a/test/phpunit/AllTests.php
+++ b/test/phpunit/AllTests.php
@@ -41,7 +41,7 @@ if (empty($conf->adherent->enabled)) {
 	print "Error: Module member must be enabled to have significant results.\n";
 	exit(1);
 }
-if (!empty($conf->ldap->enabled)) {
+if (isModEnabled('ldap')) {
 	print "Error: LDAP module should not be enabled.\n";
 	exit(1);
 }