MS Exchange 2003 edb to pst software

as usual MS Exchange has decided to dismount the information stores. When we checked the state of the edb databases they were in a dirty shutdown state. Did the repair and recovery but still will not mount. It gives an error of jet database not initialized.

I was wondering if anyone knew a free edb to pst software – i was thinking of taking mailboxes to pst then placing back into the stores after its mounted.