quick browse to this website and you have all your answer there.
http://www.symantec.com/business/support/overview.jsp?pid=50996Move a Vault Store partition or Vault Store
http://seer.entsupport.symantec.com/docs/273271.htmSetup EV with exchange 2007 - read the manual - it has all the pre-requisite and steps to do.
http://seer.entsupport.symantec.com/docs/277782.htm