However, my search on the Internet during writing this blog post did not yield any further hits – so it could be that it has to do with a special hardware constellation.

Access is possible again.Īnother German blog reader confirmed problems with update KB5028171 on Supermirco systems, which cause the login via RDP to abort and then errors on Dwminit are found in the event log.

Update KB5028171 has now been uninstalled and an update pause has been set. (Process exit code: 0x800401f0, Restart counter: 8, Primary display device ID: Microsoft Basic Display Driver) etc. (Dwminit, The Desktop Window Manager process has been terminated. Access to the server via RDP is not possible. In a follow-up comment, DirkF added the following information:Įven after reinstalling the KB5028171 update, the error persists. On a second server 2022, also a Supermicro, exactly the same error entries appear in the event viewer after the update, but it can 'still' be reached via RDP and TV. The updates could be uninstalled via safe mode and everything was 'normal' again. Access via RDP, TV or IPMI was no longer possible after another reboot. These occurred exactly after the update and reboot. In a short moment, a single access via IPMI was possible and I saw in the event viewer umpteen errors 'Dwminit'. Network access via SMB was possible and the services seemed to run normally. The server, a Supermicro from 2023, booted normally, but only a black screen was visible. Juli 2023), DirkF had posted the following comment (I've translated the comment) and reported a black screen.Īs 'burnt' for applying updates too late I have installed on a server 2022 hours the updates KB5028171 and KB5027127 which were offered to me. In the comments to the German post Patchday: Windows 11/Server 2022-Updates (11. Windows Server 2022: Black screen after KB5028171 However, the problem does not seem to be particularly widespread, as I have not found any other reports on the web. In the aftermath of July 2023, various administrators have reported problems with a black screen on Windows 10 and Windows Server 2022 after installing the July 2023 security updates.

Updates KB5028166 for Windows 10 has been mentioned within the blog post Patchday: Windows 10-Updates (July 11, 2023).

I had given details of these fixes in the blog post Patchday: Windows 11/Server 2022-Updates (July 11, 2023). Cumulative Update KB5028171 was released on Jfor Windows Server 2022 and is supposed to fix a whole bunch of bugs.

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