Remove user from Enterprise Vault.

Hi,

I had enabled user account for mail archival. Now all his mails are getting archived without any issue. Now user dont to enable archiving to be enabled for his mailbox. I want to make sure that after removing user from vault, all his archived mails should be available to him same as prior to archiving. Can anyone suggest URL or detail procedure for the same.

Exchange 2007 with SP2

Ent. Vault Version 8.0