I have a 2003 SBS For a few days now i am experiencing messages being lost.I go through the tracking system of exchange , track the messages and they appear to have been delivered to the local mailboxes.Most of the times the messages are not there (users mailboxes), it seems they have just dissapeared , but do appear posted to the public folder archive.But i do have some messages that appear in the mailbox and when u try to preview or open them u get an error message that the message cannot be displayed in preview , and when u try to open it it says that the message is not there.I have no errors in my log files , exchange services seem to be working fine , the messages are there in the log files when i track them down.Any ideas would be welcome .I have thought of checking database integrity with eseutil which is what i will do next.