Windows Server 2016 build 14393.9615 (KB5134123) — release notes, known issues

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• Issue Excel 2016 KB5002934 Paste Bug Returns: Microsoft Releases Fixed Build 16.0.5574.1006 Nov 3, 2026 · Windows Server 2016 coverage from this build's release window
• Coverage Windows Server 2016 End of Support: Find Forgotten Servers Before January 12, 2027 Nov 3, 2026 · Windows Server 2016 coverage from this build's release window
• Coverage Windows Server 2016 Support Ends January 2027: ESU Eligibility and Migration Options Nov 11, 2026 · Windows Server 2016 coverage from this build's release window

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