Windows compatibility with Symantec Endpoint Protection clients
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Windows compatibility with Symantec Endpoint Protection clients

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Article ID: 163625

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Updated On:

Products

Endpoint Protection Endpoint Security

Issue/Introduction

This document provides reference tables to quickly find which version(s) of Symantec Endpoint Protection or Symantec Endpoint Security 14.x are supported on Windows Operating Systems.  

Release notes (PDF version) for each version can be found on the Related Documents page of TechDocs.

Note: Specific product versions have specific system requirements. 

Environment

  • Symantec Endpoint Protection 14.x
  • Symantec Endpoint Security 14.x

Resolution

Supported Windows operating systems for version 14.x

  

SEP 14.x for Windows Workstation compatibility chart

 

Windows desktop versions 

Win 7, 8

Win 8.1

Win 10^

Win 10
Anniversary^^

Win 10
Creators, Fall Creators

Win 10
April/Oct 2018

Win 10 19H1 - 22H2

Win 11 
21H2 - 22H2

Win 11 
23H2

Win 11
24H2^^^

Win 11 25H2

14.3 RU5*

 

 

 

14.3 RU7

 

 

    

14.3 RU8**

 

 

    

14.3 RU9, 14.3 RU10

 

 

14.4

SEP 14.x for Windows Server compatibility chart

 

Windows server versions

Windows Server 2008 R2

Windows Small Business Server 2011

Windows Server 2012

Windows Server 2012 R2

Windows Server 2016

Windows Server 2019

Windows Server 2022

Windows Server 2025

14.3 RU5*,14.3 RU7

 

        

14.3 RU8**

 

  

14.3 RU9***, 14.3 RU10

  

 

 

14.4
  
  • ^^^ = Windows 11 24H2 includes Windows 11 Enterprise LTSC 2024. 
  • ^^ = Windows 10 Anniversary Update (version 1607) includes Windows 10 Enterprise 2016 LTSB. 
  • ^ = Windows 10 (version 1507) includes Windows 10 Enterprise 2015 LTSB.
  • *** - Windows Server 2025 support for 14.3 RU9 is for early functional compatibility with the SEP client. Full Support added in 14.3 RU10.  
  • ** = 8/31/2023 - 14.3 RU8 must have Microsoft Azure Code Signing (ACS) support installed before you can install or upgrade the client. Windows 10 21H2 or later and Windows 11 or later have ACS support automatically installed. Windows 8.1/Windows 2012 and later has ACS support available. Upgrading Windows client computers to 14.3 RU8 and later with Microsoft Azure Code Signing Support
  • * = 32-bit devices must use 14.3 RU5 client.  It is the last version of 14.3.x which supports 32-bit OS. More information: What's new for Symantec Endpoint Protection 14.3 RU6?

Before upgrading the Operating System on a device, upgrade Symantec Endpoint Protection to a version that supports the OS. Leaving an unsupported version of Symantec Endpoint Protection in place when you upgrade the operating system can have unexpected results.

Additional Information

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