Microsoft fixes Windows update issue blocking some Remote Desktop connections
Summary
Microsoft says updates released October 28, 2026, including preview update KB5127936, fix Remote Desktop failures affecting some non-admin users on Windows 11 24H2 and later when Administrator protection is enabled.
Key points
- The issue could prevent non-admin users from connecting to Remote Desktop hosts, with error 0xC000000D.
- Microsoft said the failures followed KB5124010 or later updates on Windows 11 24H2 and later, primarily affecting enterprise-managed devices with Administrator protection enabled.
- Updates released October 28, 2026, including preview update KB5127936, resolve the issue.
- For organizations waiting for a later cumulative update, Microsoft describes a workaround: administrators can disable Administrator protection by changing a policy through Intune or Group Policy.
Article Details
- Event Type
- Microsoft Windows update fixes Remote Desktop connection failures caused by Administrator protection.
- Impact
- Non-admin users on enterprise-managed Remote Desktop hosts running Windows 11 24H2 and later could receive error 0xC000000D and fail to connect after installing the KB5124010 September 2026 preview update or later updates. Microsoft says the issue is resolved by KB5127936 and later updates. As a temporary workaround, IT administrators can disable Administrator protection through the specified policy.
Vendors
Products
Group Policyby resetting the "User Account Control Type Of Admin Approval Mode" policy via Microsoft Intune or Group Policy.Microsoft Intuneprotection feature by resetting the "User Account Control Type Of Admin Approval Mode" policy via Microsoft Intune or Group Policy.Microsoft WindowsMicrosoft fixes Remote Desktop failures caused by recent Windows updatesRemote DesktopMicrosoft fixes Remote Desktop failures caused by recent Windows updatesRemote Desktop ServicesIt also released emergency out-of-band Windows updates last month to fix Remote Desktop Services failures caused by the September 2026 security updates.Windows 11September 2026 non-security preview update (or Windows updates released since then) on systems running Windows 11 24H2 and later.