Windows compatibility with Symantec Endpoint Protection clients

Products

• Endpoint Protection
• Endpoint Security

Issue/Introduction

Depending on the version of Symantec Endpoint Protection (SEP), SEP supports Windows 11 through Windows 7, and Server 2022 through 2008 R2. Use the grids below to identify what version of SEP supports your operating system.

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, Win 8

Win 8.1

Win 10 §

Win 10 Anniversary§§

Win 10 Creators

Win 10 Fall Creators

Win 10 April 2018, Oct 2018

Win 10 May 2019, Nov 2019

Win 10 20H1, 20H2

Win 10  21H1, 21H2

Win 11  21H2

Win 10  22H2

Win 11  22H2

Win 11  23H2

Win 11 24H2§§§

14.3, 14.3 MP1

14.3 RU1, 14.3 RU1 MP1, 14.3 RU2

14.3 RU3, 14.3 RU4****

14.3 RU5

14.3 RU6***, 14.3 RU7

14.3 RU8*****

14.3 RU9, 14.3 RU10

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 2012 R2 (Apr. 2014)	Windows Server 2012 R2 (Aug. 2014)	Windows Server 2016	Windows Server 2019	Windows Server 2022	Windows Server 2025
14.3, 14.3 MP1, 14.3 RU1, 14.3 RU1 MP1, 14.3 RU2
14.3 RU3, 14.3 RU4, 14.3 RU5, 14.3 RU6, 14.3 RU7
		14.3 RU8*****
		14.3 RU9, 14.3 RU10‡

  

‡ - Nov 11, 2024 - Windows Server 2025 support for 14.3 RU9 is for early functional compatibility with the SEP client. Minor cosmetic text issues exist with the naming of Windows Server 2025, which does not impact the protection features on the client. Full support will be available 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

 

**** = 9/20/2022 - 10/5/2022, 14.3RU3 and 14.3RU4 were incorrectly listed as supporting Windows 10 (22H2). This article was corrected on 10/5/2022. 14.3 RU5 was released to intended for Zero day support for 22H2.

 

*** = Since version 14.3 RU6, SEP no longer supports computers that run the Microsoft Windows 32-bit operating system. 32-bit computers should run the 14.3 RU5 client. More information: What's new for Symantec Endpoint Protection 14.3 RU6?

§§§ = Windows 11 24H2 includes Windows 11 Enterprise LTSC 2024. 

§§ = Windows 10 Anniversary Update (version 1607) includes Windows 10 Enterprise 2016 LTSB (basic compatibility only). 

§ = Windows 10 (version 1507) includes Windows 10 Enterprise 2015 LTSB.

¶ = Only the client installation is supported for 14.x on desktop operating systems.

¶ = Upgrading OS with SEP installed. (In-place OS upgrade) 

If you plan to upgrade your operating system, be sure to first upgrade Symantec Endpoint Protection to a version that supports the operating system. Leaving an unsupported version of 

Symantec Endpoint Protection in place when you upgrade the operating system can have unexpected results.

Additional Information

• For details on specific system requirements, see Release notes, new fixes, and system requirements for all versions of Endpoint Protection.
• How to find End of Service dates for Endpoint Protection