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 Vista, and Server 2022 through 2008. Use the grids below to identify what version of SEP supports your operating system.

Note: Specific product versions have specific system requirements. 

Cause

 

Resolution

Supported Windows operating systems for version 14.x

  

SEP 14.x for Windows Workstation compatibility chart

Windows desktop versions

Win Vista

Win 7

Win 8

Win 8.1

Win 10 §

Win 10 Anniversary§§

Win 10 Creators

Win 10 Fall Creators

Win 10 April 2018

Win 10 Oct 2018

Win 10 May 2019

Win 10 Nov 2019

Win 10 May 2020 2004/20H1

Win 10 Oct 2020 20H2

Win 10 May 2021 21H1

Win 10 Oct 2021 21H2

> Win 11 Oct 2021 21H2

> Win 10 Oct 2022 22H2

Win 11 Sept 2022 22H2

Win 11 Oct 2023 23H2

Win 11 24H2

14 RTM

14 MP1, 14 MP2*

14 RU1, 14 RU1 MP1, 14 RU1 MP2; 14.2, 14.2 MP1

14.2 RU1, 14.2 RU1 MP1, 14.2 RU2, 14.2 RU2 MP1

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

SEP 14.x for Windows Server compatibility chart
Windows server versions
Windows Server 2008 (RTM, SP1, SP2)	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, 14 MP1, 14 MP2
14 RU1, 14 RU1 MP1, 14 RU1 MP1 MP2; 14.2
14.2 MP1
	14.2 RU1, 14.2 RU1 MP1, 14.2 RU2, 14.2 RU2 MP1, 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‡

  

‡ - 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 Server 2016 support for the release indicated is basic compatibility only. For important details, see Endpoint Protection support for Windows 10 updates and Windows Server 2016.

* = Windows 10 Anniversary Update, Windows 10 Creators Update, Windows 10 Fall Creators, and Windows 10 April 2018 support for the release indicated is basic compatibility only. For important details, see Endpoint Protection support for Windows 10 updates and Windows Server 2016.

§§ = 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.

For details on End of Service (EOS) for SEP versions 14.0-14.2, see Changes in service and support for Symantec Endpoint Protection versions 14.0-14.2