Yes it's will work on server 2012
Operating system
•Windows XP (32-bit, SP2 or later; 64-bit, all SPs; all editions except Home)
•Windows 7 (32-bit, 64-bit, RTM and SP1; all editions except Home)
•Windows 8 (32-bit, 64-bit)
•Windows Server 2003 (32-bit, 64-bit, R2, SP1 or later)
•Windows Server 2008 (32-bit, 64-bit, R2, RTM, SP1, and SP2)
•Windows Server 2012 (all editions)
•Windows Small Business Server 2003 (32-bit)
•Windows Small Business Server 2008 (64-bit)
•Windows Small Business Server 2011 (64-bit)
•Windows Essential Business Server 2008 (64-bit)
http://www.symantec.com/business/support/index?page=content&id=TECH195325