We are using Exchange 2003 environment. user lots his email, which has been recovered from Proofpoint in form of pst file. While I try to import the pst file in mailbox store I am getting below errror
Error configuring message service (MSPST MS) (MAPI_E_EXTENDED_ERROR) (CMapiSession::CreateEMSPSTProfile)
It is looks like, permission issue, but I am using besadmin permission which having full mailbox acess accross the organization mailboxes.