Present We are using symantec enterprise edition 12.1 ru1 we want to upgrade symantec to 12.1.2 version can you please tell me how to do upgradation.

HI,

Check this artical

Upgrade process from SEP 12.1 RU1 MP1 to SEP 12.1 RU2

https://www-secure.symantec.com/connect/articles/upgrade-process-sep-121-ru1-mp1-sep-121-ru2

Best practices for upgrading to Symantec Endpoint Protection 12.1.2

Hi,

Please find this article, I hope this will help you.

http://www.symantec.com/docs/TECH197426

Regards,

Ambesh

Hello,

I agree with the comments above.

The best way to Migrate is to follow the document below - 

Best practices for upgrading to Symantec Endpoint Protection 12.1.2

http://www.symantec.com/docs/TECH163700

Upgrading or migrating to Symantec Endpoint Protection 12.1.2 (RU2)

http://www.symantec.com/docs/TECH197426

Knowledgebase Articles for Symantec Endpoint Protection 12.1. RU2

https://www-secure.symantec.com/connect/articles/knowledgebase-articles-symantec-endpoint-protection-121-ru2

Hope that helps!!

Find the below article

https://www-secure.symantec.com/connect/articles/latest-symantec-endpoint-protection-releases-sep-121-ru2-and-sep-110-ru7-mp3

Hi

The following resources will help you plan and perform upgrade from previous versio.

http://www.symantec.com/business/support/index?page=content&id=TECH163700&actp=search&viewlocale=en_US&searchid=1356497401390

Hi All,

Thanks for your sujjestions..