Windows Server 2016 Build 14393970 Enus April 2017 2021 May 2026

The details you've provided suggest a specific point in time for a Windows Server 2016 installation, reflecting a particular update state. Given the specifics of Windows Server 2016's lifecycle, any server still running build 14393.970 as of early 2023 would need to consider updating to a more recent version or ensuring compliance with Microsoft's support policies.

Organizations should regularly review and update their server infrastructure to ensure they are on supported builds, can receive timely security updates, and are protected against vulnerabilities.

For comprehensive support and to ensure security, consider bringing your server up to date with the latest cumulative updates and evaluating migration strategies to more recent versions of Windows Server if necessary.

(Note: The number "14393970" in your string is likely a typo for the actual build number 14393.1944 or a combination of the KB number and build number. The build 14393.970 actually corresponds to the April 2017 update, but the string explicitly mentions "April 2017 2021," confirming the intent is the April 2021 cumulative update.) windows server 2016 build 14393970 enus april 2017 2021

Here are the key features and highlights of this specific release:

While stable, the April 2017 CU introduced three documented regressions:

Microsoft later issued out-of-band hotfixes, but no official re-release occurred. The details you've provided suggest a specific point

You also mentioned 2021. This could mean:

By 2021, Windows Server 2016 (LTSC 1607) had:

So April 2017 build (14393.970) was already very outdated by 2021 standards. Microsoft later issued out-of-band hotfixes, but no official

| Metadata | Details | |----------|---------| | KB Number | KB4015217 | | Build | 14393.970 | | Release Date | April 11, 2017 (Patch Tuesday) | | OS Versions | Windows Server 2016 (all editions: Standard, Datacenter, Essentials) | | Update Type | Cumulative (includes all previous fixes from March 2017 and earlier) |

The update replaced KB4013429 (build 14393.953) from March 2017.