These Symantec Endpoint Protection (SEP) client-only patches allow you to upgrade a client from older versions of SEP to SEP 12.1.6.
Note: To upgrade more than one client, or to upgrade Symantec Endpoint Protection Manager, download the full installer.
Install instructions
- From the Attachments link on this page, download either the 32- or 64-bit .zip file to the client computer, depending on the operating system.
- Open the .zip file in Windows Explorer.
- Use the following table to determine the build number of the version of SEP that is installed on the client computer:
Version |
Build number |
12.1 RTM |
4971 |
12.1.1 |
157 |
12.1.1.1 |
401 |
12.1.2 |
2015 |
12.1.2.1 |
2093 |
12.1.3 |
165 |
12.1.4 |
4013 |
12.1.4.1 |
4126 |
12.1.4.1b |
4156 |
12.1.5 |
5337 |
- In the .zip file, double-click the .exe file whose file name contains the build number of the version that is installed.
- Follow the instructions that appear on the screen.
For additional information about changes in SEP 12.1.6, read the
Release Notes.
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