Update the administration module

Author: Karuna-Mendix

content/en/docs/marketplace/platform-supported-content/modules/administration.md

@@ -23,7 +23,8 @@ The [Administration](https://marketplace.mendix.com/link/component/23513) module
 * [Atlas Core](https://marketplace.mendix.com/link/component/117187): required for the Administration module versions 4.0.0 and above
 * [Combo Box](https://marketplace.mendix.com/link/component/219304): required for the Administration module versions 4.0.0 and above
 * [Atlas UI Resources](https://marketplace.mendix.com/link/component/104730): required for the Administration module versions 3.0.0 and below
-* [Mendix SSO](https://marketplace.mendix.com/link/component/111349): required for the Administration module versions 1.3.X (for example 1.3.2) and 2.1.X (for example 2.1.2)
+* [Mendix SSO](https://marketplace.mendix.com/link/component/111349): required for the Administration module versions 1.3.X (for example 1.3.2) and 2.1.X (for example 2.1.2). However, this module is deprecated as of May 1, 2026. You may alternatively use [OIDC SSO](/appstore/modules/oidc/), [SAML](/appstore/modules/saml/), or [LDAP](appstore/modules/ldap/).
+{{% /alert %}}
 
 ## Installation
 
@@ -74,3 +75,7 @@ The [Administration](https://marketplace.mendix.com/link/component/23513) module
 2. Configure the **MendixSSO_AfterStartup** microflow from the Administration module as the [after startup](/refguide/runtime-tab/#after-startup) microflow. If there is already an after startup microflow, do not replace it, but add the **MendixSSO_AfterStartup** microflow as a sub-microflow in the existing microflow.
 
 {{% alert color="info" %}}If you previously used the Mendix SSO in your application, use the **MendixSSO_MigrateUsersToAccount** microflow to migrate users from the `MendixSSOUser` to the `Administration.Account` specialization. Before executing the migration, carefully read the instructions in the microflow.{{% /alert %}}
+
+{{% alert color="warning" %}}
+Note that the Mendix SSO module is deprecated as of May 1, 2026. You may alternatively use [OIDC SSO](/appstore/modules/oidc/), [SAML](/appstore/modules/saml/), or [LDAP](appstore/modules/ldap/).
+{{% /alert %}}