diff --git a/src/serviceconnector-passwordless/HISTORY.rst b/src/serviceconnector-passwordless/HISTORY.rst
index 6c03fc5c72a..5aa487843e7 100644
--- a/src/serviceconnector-passwordless/HISTORY.rst
+++ b/src/serviceconnector-passwordless/HISTORY.rst
@@ -5,6 +5,7 @@ Release History
 3.3.2
 ++++++
 * Add documentation explaining manual steps required for connecting to SQL database in Fabric.
+* Fix PostgreSQL flexible server connection not working due to deprecation of `ad-admin` command.
 
 3.3.1
 ++++++
diff --git a/src/serviceconnector-passwordless/azext_serviceconnector_passwordless/_credential_free.py b/src/serviceconnector-passwordless/azext_serviceconnector_passwordless/_credential_free.py
index 9eb1602df92..fc39a9ef7b0 100644
--- a/src/serviceconnector-passwordless/azext_serviceconnector_passwordless/_credential_free.py
+++ b/src/serviceconnector-passwordless/azext_serviceconnector_passwordless/_credential_free.py
@@ -690,7 +690,7 @@ def enable_target_aad_auth(self):
             self.target_id))
 
     def set_user_admin(self, user_object_id, **kwargs):
-        admins = run_cli_cmd('az postgres flexible-server ad-admin list -g "{}" -s "{}" --subscription "{}"'.format(
+        admins = run_cli_cmd('az postgres flexible-server microsoft-entra-admin list -g "{}" -s "{}" --subscription "{}"'.format(
             self.resource_group, self.db_server, self.subscription))
 
         if not user_object_id:
@@ -706,7 +706,7 @@ def set_user_admin(self, user_object_id, **kwargs):
         admin_info = next((ad for ad in admins if ad.get('objectId', "") == user_object_id), None)
         if not admin_info:
             logger.warning('Set current user as DB Server Microsoft Entra Administrators.')
-            admin_info = run_cli_cmd('az postgres flexible-server ad-admin create -u "{}" -i "{}" -g "{}" -s "{}" --subscription "{}" -t {}'.format(
+            admin_info = run_cli_cmd('az postgres flexible-server microsoft-entra-admin create -u "{}" -i "{}" -g "{}" -s "{}" --subscription "{}" -t {}'.format(
                 self.login_username, user_object_id, self.resource_group, self.db_server, self.subscription, self.login_usertype))
         self.admin_username = admin_info.get('principalName', self.login_username)