<!-- Add the related story/sub-task/bug number, like Resolves #123, or remove if NA --> **Related issue:** Resolves #41056 Docs: https://github.com/fleetdm/fleet/pull/48735/changes # Checklist for submitter If some of the following don't apply, delete the relevant line. - [x] Changes file added for user-visible changes in `changes/`, `orbit/changes/` or `ee/fleetd-chrome/changes`. See [Changes files](https://github.com/fleetdm/fleet/blob/main/docs/Contributing/guides/committing-changes.md#changes-files) for more information. ## Testing - [x] QA'd all new/changed functionality manually <!-- This is an auto-generated comment: release notes by coderabbit.ai --> ## Summary by CodeRabbit ## Summary * **Bug Fixes** * Removed the obsolete Windows MDM authentication (unauthenticated STS) endpoint; it now returns **HTTP 404**. * Streamlined the Windows enrollment flow so only the supported Microsoft MDM endpoints are exposed. * **Testing** * Added an integration test to confirm the removed endpoint remains inaccessible. * Removed now-irrelevant unit tests and helpers related to the deleted authentication behavior. <!-- end of auto-generated comment: release notes by coderabbit.ai -->