# From elevated PowerShell
wusa.exe "C:\updates\windows10.0-kb4015217-x64.msu" /quiet /norestart
# Check success
Get-HotFix -Id KB4015217
For offline servicing of a WIM or VHD:
dism /Mount-Image /ImageFile:C:\mount\install.wim /Index:1 /MountDir:C:\offline
dism /Image:C:\offline /Add-Package /PackagePath:C:\updates\kb4015217.msu
dism /Unmount-Image /MountDir:C:\offline /Commit
| 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.
If you are looking for the original ISO (April 2017, en-US), you need:
If you want the latest 2021 build of Windows Server 2016, you need:
Would you like me to provide the exact update history table from April 2017 through December 2021 for Server 2016?
Or the full file list inside that specific ISO?
The Windows Server 2016 Build 14393.970 refers to a specific stable point in the operating system's lifecycle reached during the March and April 2017 update cycle. As a release within the Windows Server 2016 Long-Term Servicing Channel (LTSC), it represents the "Anniversary Update" branch (version 1607). Build 14393.970 and the April 2017 Updates
Build 14393.970 was officially established via KB4016635 on March 22, 2017. Shortly after, the April 11, 2017 "Patch Tuesday" update (KB4015217) bumped the version further to builds 14393.1066 and 14393.1083. Key Improvements in the April 2017 Cycle:
Host Network Service (HNS): Improved to support overlay network drivers, enabling better multi-host container connectivity via Docker Swarm.
Stability Fixes: Addressed issues where screens would turn off unexpectedly despite power settings, and fixed credential-related bugs in Active Directory environments using Credential Guard.
Internet Explorer 11: Resolved form display issues within CRM 2011. Performance and Security in 2021 Windows Server release information | Microsoft Learn windows server 2016 build 14393970 enus april 2017 2021
Windows Server 2016 Build 14393.970 (ENU) - April 2017 Update: A Detailed Review
In April 2017, Microsoft released an update for Windows Server 2016, bringing the build number to 14393.970 (ENU). This update was part of the ongoing effort to improve the stability, security, and performance of the Windows Server 2016 operating system. In this blog post, we will take a closer look at the details of this update, its significance, and what it means for Windows Server 2016 users.
What is Windows Server 2016 Build 14393.970 (ENU)?
Windows Server 2016 Build 14393.970 (ENU) is a cumulative update that was released on April 11, 2017. The update is also known as KB4015217 and is applicable to Windows Server 2016 systems with the English (United States) language pack installed.
Key Features and Fixes
The April 2017 update for Windows Server 2016 includes several key features and fixes, including:
Notable Fixes and Changes
Some notable fixes and changes in the April 2017 update for Windows Server 2016 include:
How to Install the Update
To install the April 2017 update for Windows Server 2016, follow these steps: # From elevated PowerShell wusa
Conclusion
The April 2017 update for Windows Server 2016 (build 14393.970 ENU) is an important cumulative update that includes security patches, performance improvements, and stability and reliability fixes. Windows Server 2016 users should install this update as soon as possible to ensure their systems are up-to-date and protected against known vulnerabilities.
Update History
Here is a brief summary of the updates for Windows Server 2016:
By installing the latest updates, Windows Server 2016 users can ensure their systems remain secure, stable, and performant.
It is important to clarify at the outset: Windows Server 2016 build 14393.970 (not 14393970) is the correct version string for the April 2017 cumulative update for the Windows Server 2016 Long-Term Servicing Branch (LTSB). The number “2021” in your keyword likely refers to a later search date or a misconception—Microsoft did not release a build with that exact 8-digit sequence. This article will provide a comprehensive technical deep dive into the genuine KB4015217 (build 14393.970) from April 2017, its implications for enterprise environments, and why it remains relevant to administrators researching legacy builds for 2021 patching cycles.
Beyond CVEs, Microsoft included:
For any Windows Server administrator tracing legacy infrastructure, build 14393.970 (KB4015217) from April 2017 represents the first comprehensive security refresh after Server 2016’s RTM. It fixed critical Hyper-V, S2D, and LSASS issues while modernizing the servicing stack for future updates.
The search for "windows server 2016 build 14393970 enus april 2017 2021" tells a common story: a system older than expected, still running in production years later, needing a clear upgrade path. If you inherit such a server in 2025 or 2026, remember:
Build numbers may blur, but the underlying need for stability and security on Windows Server remains timeless. For offline servicing of a WIM or VHD:
Further Reading & References
Article last updated: March 2025 (to reflect historical research for legacy systems).
Windows Server 2016 Build 14393.970 refers to the operating system version associated with , which was released on March 22, 2017
. This specific build did not introduce new operating system features but focused on quality improvements and bug fixes, such as resolving issues with the Windows Store and CRM 2011 on Internet Explorer 11. Microsoft Support
If you are looking to "create" or enable a feature within this environment, you typically use the Server Manager PowerShell How to Enable a Feature in Windows Server 2016 To activate roles and features on this build: Open Server Manager : Run as Administrator. Add Roles and Features Add Roles and Features Wizard Steps
: Follow the prompts to select your server and check the specific feature you wish to install (e.g., .NET Framework 3.5 Containers and restart if required. Core Features of Windows Server 2016 (Build 14393) This build belongs to the Long-Term Servicing Channel (LTSC)
version 1607. Key features available for activation include: Microsoft Learn Compute & Virtualization : Hyper-V support for Nano Server , hot add/remove for memory/NICs, and Windows Server Containers Storage Spaces Direct (S2D) Storage Replica for disaster recovery. Shielded Virtual Machines (using BitLocker encryption), Host Guardian Service Just Enough Administration (JEA) Management
: PowerShell Desired State Configuration (DSC) and Windows Management Framework 5.0. Context for 2021 and Beyond
In the lifecycle of Microsoft’s server operating systems, few builds encapsulate the transition from traditional on-premises infrastructure to hybrid cloud readiness as clearly as Windows Server 2016 build 14393.3970. Released initially around April 2017 as a cumulative update for the RTM version (build 14393), this specific build number reappeared in enterprise patch management discussions in 2021 due to its long-term servicing channel (LTSC) nature. Far from being a random version string, “14393.3970” represents a snapshot of Microsoft’s disciplined update cadence, security hardening, and stability improvements during a period when server administrators were grappling with Nano Server, Containers, and Shielded VMs.
A quick heads-up: There’s a typo in your build string (14393970 should be 14393.970). Below, we break down what this specific version represents and why the “2021” mention matters.