API sunset calendar

All sunset dates

Windows Server 2019: sunset date 2029-01-09

The sunset date for Windows Server 2019 (end of Extended Support) is 2029-01-09, which is 812 days after 2026-10-20, the reference date for every days-left figure on this site. Mainstream Support already ended on 2024-01-09. The source was read on 2026-10-14.

Provider
Microsoft
Category
operating-system
Sunset date
2029-01-09 (812 days remaining as of 2026-10-20)
What stops working
Extended Support for Windows Server 2019 (Datacenter, Essentials and Standard editions) ends, so the release stops receiving security updates under the Fixed Lifecycle Policy.
Replacement
Windows Server 2022 or Windows Server 2025

Source

Windows Server 2019, Microsoft Lifecycle, Microsoft Learn (learn.microsoft.com). Read on 2026-10-14. The page lists start 11/13/2018 8:00:00 AM, mainstream end 1/10/2024 6:59:59 AM and extended end 1/10/2029 6:59:59 AM, with times labelled Pacific Time.

Official source (copy into your browser): https://learn.microsoft.com/en-us/lifecycle/products/windows-server-2019

Date note: the 6:59:59 AM stamp falls on the day after Patch Tuesday. This site reports the preceding day, 2029-01-09, which is a Patch Tuesday. Confirm the date on the Microsoft page before acting.

Related sunsets

Earlier 34-date snapshot as one CSV + PDF calendar (this site lists more dates than the file)

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