hi bekidur,
No that is normal. delete all the licences from "installed licence" and then copy your new per lic into "Program Files\Enterprise Vault" and as you did before restart the admin.
When the Admin Service starts up you will get an Event "4213" look at the discription..
Event Type: Information
Event Source: Enterprise Vault
Event Category: Admin Service
Event ID: 4213
Date: 02.08.2009
Time: 18:51:22
User: N/A
Computer: VLTSRV01
Description: License checking has identified that you are currently licensed for the following features:
Feature #1: EVBase
Version: 1.0
Status: Valid
Feature #2: EVExchangeJournal
Version: 1.0
Status: Valid
Feature #4: EVArchive
Version: 1.0
Status: Valid
If you can enable a mailbox the lic is working 100%.
--wayne