Hello,
Check this Article:
Latest Symantec Endpoint Protection Releases - SEP 12.1 RU2 and SEP 11.0 RU7 MP3
https://www-secure.symantec.com/connect/articles/latest-symantec-endpoint-protection-releases-sep-121-ru2-and-sep-110-ru7-mp3
Symantec Endpoint Protection 11.0 Release Update 7 Maintenance Pack 3 (RU7 MP3) has been released.
You may find the Latest Release of Symantec Endpoint Protection 11.0 RU7 MP3 from: https://fileconnect.symantec.com/
This build's version is: 11.0.7300.1294
Migration paths
Symantec Endpoint Protection 11.0.7300 (RU7 MP3) can migrate seamlessly over the following:
- Symantec Endpoint Protection 11.0.7200 (RU7 MP2)
- Symantec Endpoint Protection 11.0.7101 (RU7 MP1)
- Symantec Endpoint Protection 11.0.7000 (RU7)
The client installation detects the following software and migrates the software if it is detected:
- Symantec AntiVirus client and server 9.x and later
- Symantec Client Security client and server 2.x and later
Knowledgebase Articles:
Symantec™ Endpoint Protection and Symantec Network Access Control 11 Release Update 7 MP3 Release Notes
http://www.symantec.com/docs/DOC6158
Migrating to Symantec Endpoint Protection 11.0.7300 (RU7 MP3)
http://www.symantec.com/docs/TECH199189
Hope that helps!!