Microsoft’s January Patch Day updates have led to unexpected connection issues with Windows 365 and Azure Virtual Desktop. Following the distribution of these security updates, the company warned users about credential prompt failures occurring during Remote Desktop connections using the Windows app.
According to Microsoft, affected users may experience sign-in failures on specific Windows versions, which include Windows 11 (versions 25H2, 24H2, 23H2), Windows 10 (versions 22H2, 21H2), and several Windows Server editions (2019, 2022, 2025). The issue has been documented in the Windows Release Health Center, where Microsoft confirmed they are actively investigating and troubleshooting the problem.
For users affected by these issues, Microsoft has proposed two temporary workarounds:
The updates released during the January Patch Day not only included security enhancements but also addressed previously exploited vulnerabilities, specifically CVE-2026-20805. These updates highlight the complexities and occasional drawbacks that can accompany routine maintenance and security improvements in widely used operating systems.
For those experiencing difficulties, it’s recommended to monitor the Microsoft January Patch Day updates for further advice and ongoing solutions.
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