Microsoft shared a temporary fix on Wednesday for a known issue that prevents Windows 11 users from logging in with valid domain credentials after installing the September 2026 security updates.

Update 9/18/26: Microsoft acknowledged the issue and shared mitigation advice. More information can be found in this article. Microsoft is investigating reports that the Windows 11 KB5124008 security ...

Windows 11 26H2 is here earlier than expected, but before you run off and install it, you might want to take a second. Microsoft has issued a warning that the update contains a few known issues.

Installing this month's Windows Server security update has knocked some enterprise domain controllers into continuous reboot cycles, Microsoft confirmed in a release health dashboard entry. The ...

Domain logins may become impossible. Microsoft acknowledges further unwanted side effects of the security updates for Windows desktop operating systems from the September Patchday. Devices in ...

Many companies rely on Microsoft products, including Windows, Active Directory, ADFS, OWA, and RDP, in their business processes. That's why the importance of two-factor authentication (2FA or MFA) for ...

A new report out today from unified identity security company Silverfort Inc. details a previously undisclosed denial-of-service vulnerability in Microsoft Corp.’s Netlogon protocol that could allow ...