By Guru Baran
Publication Date: 2026-10-14 15:51:00
Microsoft has confirmed a Windows 11 Remote Desktop issue that can prevent non-admin users from connecting to remote computers with Administrator protection enabled. The problem follows the September 22, 2026, non-security preview update, KB5124010, or later updates. It mainly affects company-managed computers used as Remote Desktop hosts.
Failed connections may return error 0xC000000D and display the message, “The token that was passed to the function is invalid.” Microsoft opened the issue on October 13 and updated its status to “Mitigated” that morning. A temporary workaround is available, but the company is still developing a permanent fix.
Affected Windows 11 Systems
Microsoft lists Windows 11 versions 24H2, 25H2, 26H1, and 26H2 as affected. Windows Server is not affected by this specific issue. The failure occurs when Administrator protection is enabled on the remote host, regardless of how administrators turned on the feature.
This makes the host’s…



