COM Exception Could not open IPM Subtree.Check Profile Privileges

[rslrdx]

I'm trying to migrate a few users on my test environment, but i'm getting an error, and i've checked the priviledges of the profile i'm using to migrate the users, its a domain admin. I'm attaching the erros just in case.

10-02-2009 06:07:57 [2432]: Waiting for work
10-02-2009 06:07:57 [2432]: Work arrived.../o=SS/ou=First Administrative Group/cn=Recipients/cn=euzebio euzebio@ss.br
10-02-2009 06:07:57 [2432]: Opening other users store
10-02-2009 06:07:57 [2432]: Logging on to zimbra server (192.168.2.98:7071)
10-02-2009 06:07:57 [2432]: Replicating folder hierarchy
10-02-2009 06:07:58 [2432]: Com Exception hr(0x8004010f): Unknown error 0x8004010F
10-02-2009 06:07:58 [2432]: Deleting mapi folder list
10-02-2009 06:07:58 [2432]: Error while importing mailbox euzebio@ss.br: COM Exception Could not open IPM Subtree.Check Profile Privileges.
10-02-2009 06:07:58 [2432]: Too many mailboxes failed, exiting
10-02-2009 06:07:58 [2432]: Worker thread exiting

Edit: Before someone complains, its an OSE install on a ubuntu 8.04.2 64 bit, zcs-5.0.11_GA_2695.UBUNTU8_64.20081117052616

Migrating from Exchange 2003.