https://www-secure.symantec.com/connect/blogs/configuring-sep-121-virtual-environments
https://www-secure.symantec.com/connect/forums/sepm-vm
http://www.symantec.com/business/support/index?page=content&id=TECH173650
http://www.symantec.com/business/support/index?page=content&id=TECH94910&locale=en_US
Check above might help
Or this
1) It is possible to Virtualize the SEPM on a Virtual Machine
2) Supportability:
a) Support policy for Symantec AntiVirus Corporate Edition and Symantec Endpoint Protection on "virtual computers"
http://service1.symantec.com/support/ent-security.nsf/854fa02b4f5013678825731a007d06af/e70a1327ec910cc588256e430066ee26?OpenDocument
b) About Microsoft Virtual Server support
http://seer.entsupport.symantec.com/docs/330766.htm
c) Compatibility of Symantec Endpoint Protection with Microsoft Hyper-V
http://service1.symantec.com/support/ent-security.nsf/854fa02b4f5013678825731a007d06af/6788f0cd8d7db865ca2574e3007f8ed9?OpenDocument
d) Top 10 Symantec Best Practices - Deploying Symantec Endpoint Protection Architecture
http://service1.symantec.com/support/ent-security.nsf/854fa02b4f5013678825731a007d06af/ab6f6bdaeabbd882ca25754b0074a662?OpenDocument
3) It is very easy to move a primary SEPM to a virtual machine - check the KB articles provided below:
a) How to point Symantec Endpoint Protection(SEP) clients to a new Symantec Endpoint Protection Manager after you have either uninstalled, are going to decommission or replace the Existing Primary Symantec Endpoint Protection Manager (SEPM).
http://service1.symantec.com/support/ent-security.nsf/854fa02b4f5013678825731a007d06af/23d0a77b280a618988257567007caec1?OpenDocument
b) How do I move Symantec Endpoint Protection Manager from one server to another with a different IP address and host name?
http://service1.symantec.com/support/ent-security.nsf/854fa02b4f5013678825731a007d06af/9bb60351f8fa6d3f65257409007f5774?OpenDocument
c) Best Practices guide to moving the Symantec Endpoint Protection Manager SQL Server database from an existing SQL Server database to a new SQL Server database
http://service1.symantec.com/support/ent-security.nsf/854fa02b4f5013678825731a007d06af/09ef18132cca7d4f6525742c006ba05b?OpenDocument