Microsoft has acknowledged a connectivity issue affecting Remote Desktop users on systems with Administrator protection enabled. The problem occurs when non-administrative users attempt to connect to devices running Windows 11 versions 24H2, 25H2, 26H1, or 26H2 after installing recent Windows updates. The failure displays error code 0xC000000D with a message stating the passed token is invalid. This issue primarily impacts enterprise-managed remote devices configured with Administrator protection, a security feature that restricts standard user permissions and requires authentication for system changes.
The Administrator protection feature became enabled by default in organizations using Windows security baselines following the October 2026 Windows security update. While Microsoft works toward a permanent solution, the company has provided a temporary workaround requiring IT administrators to disable Administrator protection through policy management tools such as Microsoft Intune or Group Policy. This incident follows similar Remote Desktop connection failures that Microsoft resolved in previous updates dating back to January 2025.
Source: Read the full story at BleepingComputer
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