Hi,
12.1 supports application and device control for windows 7 client
SEP 12.1 supports application and device control policy on 64 bit OS
Features supported on 64 bit OS
-AV
-Proactive threat Scan (a.k.a truscan or Sonar)
-Bloodhound
-Malheur
-Tamper Protection
-Internet email scanning
-Device Control
-Application Control
-System Lockdown
-Outlook Email Scanning
-Lotus Notes Email Scanning
-Right Click scan for viruses
-Firewall
-IPS
-Application learning
-Host Integrity (SNAC)
https://www-secure.symantec.com/connect/forums/sep-121-release