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highWindowsbreaking changelearn_intune · Sep 12, 2026
Windows Server 2022 RDS: session arbitration hangs after Event 17 (0x8007045B), TermService and UmRdpService become unkillable and users cannot log on - Microsoft Q&A
A critical issue in Windows Server 2022 RDS causes session arbitration hangs, making TermService and UmRdpService unkillable, preventing user logins. This impacts admin and security engineers managing remote desktop sessions.
“Windows Server 2022 Standard, build 20348.5622 (21H2), activated retail channel, running as a Hyper-V guest. Not domain-joined, all user accounts are local. RD Session Host role installed with Per Device licensing, 50 CALs installed and 44 available. Around 6 concurrent RDP users. Symptom RDP clients receive "The two…”
View original article →Security
endpoint_securitycloud_security
Audience
adminsecurity_engineer
Environment
cloudon_premises
Classification confidence: 95%
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