SQL Server 2017: sunset date 2027-10-12
The sunset date for SQL Server 2017 (end of Extended Support) is 2027-10-12, which is 357 days after 2026-10-20, the reference date for every days-left figure on this site. Mainstream Support ended on 2022-10-11. The source was read on 2026-10-14.
- Provider
- Microsoft
- Category
- database
- Sunset date
- 2027-10-12 (357 days remaining as of 2026-10-20)
- What stops working
- Extended Support for SQL Server 2017, on Windows and on Linux (all editions), ends, so the release stops receiving security updates under the Fixed Lifecycle Policy. The Learn page lists no Extended Security Updates for this version.
- Replacement
- A supported SQL Server release such as SQL Server 2022 or SQL Server 2025
Source
SQL Server 2017, Microsoft Lifecycle, Microsoft Learn (learn.microsoft.com). Read on 2026-10-14. The page lists start 9/29/2017 8:00:00 AM, mainstream end 10/12/2022 6:59:59 AM and extended end 10/13/2027 6:59:59 AM, with times labelled Pacific Time.
Official source (copy into your browser): https://learn.microsoft.com/en-us/lifecycle/products/sql-server-2017
Date note: the 6:59:59 AM stamp falls on the day after Patch Tuesday. This site reports the preceding day, 2027-10-12 for Extended Support and 2022-10-11 for Mainstream Support, both Patch Tuesdays. Confirm the dates on the Microsoft page before acting.
Related sunsets
- SQL Server end of life: all SQL Server dates
- SQL Server 2016 (2026-07-14)
- SQL Server 2019 (2030-01-08)
Earlier 34-date snapshot as one CSV + PDF calendar (this site lists more dates than the file)