Microsoft Defender for Endpoint

Initiate Autoir Investigation

4 September 2026Doc update+2 / −2 lines

In brief

The API documentation now uses revised Microsoft Support URLs for the Windows 10 version 1803 and 1709 prerequisite KB articles.

What Defender admins need to know

Administrators can use the updated links when verifying endpoint prerequisites; no action is required.

Summaries are generated from the documentation change itself.

Documentation change

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Windows 11
Windows 10, version 1803 or later
Windows 10, version 1803 (OS Build 17134.704 with ~~KB4493464~~KB4493464) or later
Windows 10, version 1709 (OS Build 16299.1085 with ~~KB4493441~~KB4493441) or later
Windows Server 2019 and later
Azure Stack HCI OS, version 23H2 and later

@@ -38,8 +38,8 @@ Your organization must have Defender for Endpoint, see [Minimum requirements for  - Windows 11 - Windows 10, version [1803](/windows/release-information/status-windows-10-1809-and-windows-server-2019) or later-- Windows 10, version 1803 (OS Build 17134.704 with [KB4493464](https://support.microsoft.com/help/4493464/windows-10-update-kb4493464)) or later-- Windows 10, version 1709 (OS Build 16299.1085 with [KB4493441](https://support.microsoft.com/help/4493441/windows-10-update-kb4493441)) or later+- Windows 10, version 1803 (OS Build 17134.704 with [KB4493464](https://support.microsoft.com/servicing/os/windows-10/2019/04/april-9-2019-kb4493464-os-build-17134-706)) or later+- Windows 10, version 1709 (OS Build 16299.1085 with [KB4493441](https://support.microsoft.com/servicing/os/windows-10/2019/04/april-9-2019-kb4493441-os-build-16299-1087)) or later - Windows Server 2019 and later - Azure Stack HCI OS, version 23H2 and later