[Exchange Agent] fail to create mapi profil

Hello !

I've the following error while launching the exchange console:

unable to create mapi profil for user. User may not have mailbox.

Configuration:

-> Exchange server 2003 std / windows 2003 server std SP1 / exchange agent build 220.

-> Data server / windows 2003 storage X64 / acronis exchange console

I'm using my domain "administrator" user account to log into the console. This user has an exchange mailbox / is exchange administrator...

Is there something wrong in my settings ?