Windows Server 1903 build 18362.449 (KB4522355) — release notes, downloads, known issues

Windows Server · 1903 · Release · Optional preview update

Feature update to Windows Server, version 1903 (18362.449)

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No problems reported on the forum for this build yet. Threads that name 18362.449 or KB4522355 and describe a fault appear here automatically.

No article names 18362.449 or KB4522355 yet, and nothing about Windows Server 1903 was published in its release window. Browse Windows news.

Issue Win10 1903 (or 1909) upgrade - Realtek Bluetooth problem 2 replies · Mar 10, 2025 · 1903 thread from the release window
Thread what exactly is win 10 version 19033.1 anyway ? 10 replies · Dec 12, 2019 · 1903 thread from the release window

Builds sharing the .449 minor, released within three days.