Symantec Endpoint Protection 12.1.6 client-only patches

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

1. 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.
2. Open the .zip file in Windows Explorer.
3. 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

   
    
4. In the .zip file, double-click the .exe file whose file name contains the build number of the version that is installed.
5. Follow the instructions that appear on the screen.