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There's a massive RDP bug in the new update that is breaking stuff with no fix right now. Congrats Microsoft on the help desk ticket generation. (KB5124008)
by post_break 19d ago
There's a massive RDP bug in the new update that is breaking stuff with no fix right now. Congrats Microsoft on the help desk ticket generation.
(KB5124008)
- albert_e 19d agoThanks for the headsup. it seems they claim to have fixed it : > September 14, 2026—KB5129195 (OS Builds 26200.9457 and 26100.9457) Out-of-band > [Remote Desktop Services (known issue)] Fixed: This update addresses an issue affecting Remote Desktop Services (RDS) after installing the September 2026 Windows security update (KB5122880). In affected environments, RDS might become unstable, causing RDP connection and sign-in failures or servers to become unresponsive during Remote Desktop configuration. Related tools, including Microsoft Management Console (MMC), RDS Licensing Diagnoser, File Explorer, and the Windows Update page, might also stop responding.
- moepstar 18d agoFWIW, neither the KIR nor the OOB patch did fix the black screen problem for us on Citrix.. waiting for another round of updates... yay.