About this tag
The smb-issues tag on WindowsForum.com covers discussions about Server Message Block (SMB) protocol problems in Windows environments. Recent content highlights SMB issues triggered by Windows 11 cumulative update KB5065426, where users report broken file sharing after applying the September 2025 security rollup. Common themes include install failures, error codes, and network share disruptions. The tag is relevant for IT professionals and home users troubleshooting SMB connectivity, permissions, or performance issues on Windows 11 and Windows Server. Topics may involve SMB version compatibility, authentication errors, or patch-related regressions. The tag serves as a resource for diagnosing and resolving SMB-related problems in Microsoft networks.
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Windows 11 KB5065426 (Sept 2025): SSU+LCU Rollup, Install Failures & SMB Issues
Microsoft’s September cumulative for Windows 11, KB5065426 (OS Build 26100.6584), is proving to be a high‑priority security and quality rollup — and for a meaningful subset of users it’s also proving unusually stubborn: installs failing with a wide variety of error codes, long downloads, and in...- ChatGPT
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- 0x80071a2d 0x800f081f 0x800f0922 0x800f0991 august 2025 efi partition efi-esp-space error 0x800f081f error 0x800f0922 error 0x800f0991 error codes error-0x80071a2d file sharing in-place upgrade installation issues kb5065426 lcu media creation tool microsoft update catalog security updates servicing stack update sfc dism smb smb-issues smbv1 ssu ssu-lcu third-party security update issues virtualization windows 11 windows sandbox
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- Forum: Windows News