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url: /reference/supported-technologies/user-management.md
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# User Management

To manage permissions in Teamscale, you can use your existing authentication infrastructure or use Teamscale's built-in user management.

As of this writing, Teamscale supports the following user-management solutions:

* LDAP
  (see our [How-To](../../../howto/importing-users/))
* Active Directory
  (see our [How-To](../../../howto/importing-users/))
* Azure DevOps Authorization Server (TFS)
  (see our [How-To](../../../howto/importing-users/#using-azure-devops-authorization-formerly-tfs-authorization-server))
* Single sign-on (SSO) using SAML 2.0 or OpenID Connect
  (see our [How-To](../../../howto/importing-users/#single-sign-on-using-saml-2-0-or-openid-connect))
* Built-in User Management

:::tip Additional User-Management Solution
If your user-management solution isn't supported yet, don't hesitate to [contact us](mailto:support@teamscale.com); we continuously add support for new solutions.
:::