Microsoft authentication issues. If you are an IT administrator and want to programmatically get information from this page, use . Oct 21, 2025 · Microsoft has confirmed a new login issue affecting Windows 11, version 24H2, 25H2 and Windows Server 2025 systems. Shop Microsoft 365, Copilot, Teams, Xbox, Windows, Azure, Surface and more. This folder holds 802. Check out this article: Resolve Outlook for Windows issues with automated troubleshooting tools. If you're having problems verification codes on a personal Microsoft account, see Troubleshooting verification code issues. Dec 4, 2025 · Find information on known issues and the status of the Windows 11, version 25H2 rollout. In this case, the system completed the upgrade, then immediately dropped off the network. However, like any software, it can encounter issues that disrupt its operation, leaving users frustrated and vulnerable. 6 days ago · The Windows Wired Auto Config service, or dot3svc, manages secure wired authentication. Now to December 2026 Real-time problems and outages for Microsoft. They only authenticate in the cloud. 6 days ago · The issue keeps popping up in yearly updates, hitting paths like 23H2-to-24H2 and now 23H2-to-25H2. Oct 21, 2025 · Microsoft has acknowledged a significant authentication problem affecting users of recent Windows versions, stemming from security enhancements in updates released since late August 2025. Note: This content can help you with your work or school account. Dec 24, 2025 · The Microsoft Authenticator app is a vital tool for securing your digital accounts through two-factor authentication (2FA). For immediate help with Windows update issues, click here if you are using a Windows device to open the Get Help app or go to support. The company says the issue, which triggers Kerberos and NTLM authentication failures, is linked to devices that share duplicate Security IDs (SIDs). Jan 27, 2026 · We understand that many customers continue to face real challenges modernizing legacy email workflows and need sufficient time to adopt viable, secure alternatives. As of now, it’s unclear whether a specific update has triggered the problem. When it functions correctly, it provides seamless access and peace of mind. If its configuration disappears, managed networks relying on 802. Microsoft Authenticator is not available for desktop computers because authenticator apps are typically designed for smartphones for two main reasons: Security: Having the second factor of a security question on a separate device enhances security. Is the website down? Can't log in? Here you see what is going on. Troubleshooting these problems quickly and effectively is essential to Jun 13, 2025 · Microsoft is investigating an ongoing incident that is causing users to experience errors with some Microsoft 365 authentication features. Federated users won't authenticate in the home tenant. If a user's default Explore Microsoft products and services and support for your home or business. Follow @WindowsUpdate on X for Windows release health updates. 7k Star 4k Pull requests Models Wiki Security Insights Dec 4, 2025 · Find information on known issues and the status of the Windows 11, version 25H2 rollout. 6 days ago · Here are some known issues: SMS-based authentication isn't currently compatible with Microsoft Entra multifactor authentication. Admins report that during upgrades, the system quietly deletes files in the C:\Windows\dot3svc\Policies folder. 1X fail to connect. microsoft. Based on customer feedback and visibility into adoption progress, we are refining the Exchange Online SMTP AUTH Basic Authentication Deprecation timeline to provide clearer milestones and additional runway. SMS-based authentication isn't supported for B2B accounts. Microsoft Security Response Center Blog For issues that are not covered on this page, we have multiple tools to help you automatically diagnose and fix a range of classic Outlook problems. yiuca nheibkt pmnsxy gxlrnol qopph qbw jwakpkj ohkxt fdjbwr tip