Randomly disappearing emails with a single exchange user

I have a single user with a disappearing email problem.  Large chunks of email disappear at random.  He may suddenly lose two or three days of email.  There are no client-side or server side rules which would cause such a thing to occur.  There are no antivirus applications scanning any Exchange related items that they shouldn't be.  There are no filters or views obscuring the email.  There is no other client attached to the mailbox.  

I only have a single user affected.  The site is small, single Exchange 2003 server and 12 users.  The client is Outlook 2003 with cached mode turned on.

I've been through every possible Google Groups search, MS KB article, etc.  I've been beating my head against the wall on this for months...
awoodworthAsked:
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PashaModConnect With a Mentor Commented:
Closed, 250 points refunded.
PashaMod
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EricIT ManagerCommented:
weird.  no idea, but i know i would try having them use OWA for a few days and see if the problem is resolved.  This will show you its a outlook issue or not.
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awoodworthAuthor Commented:
Tried that.  I've had him use OWA for a while, but the problem didn't occur.  I've had him check OWA immediately after Outlook "loses" the emails, and they are gone off the server.  The issue pops up about once every two months.

He even has a new PC, complete with new OS, new profile, etc.  Problem still occurs.
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EricIT ManagerCommented:
Im not a database guy, but i would check it for errors.. run eseutil and stuff... maybe someone else can provide better info on that.

did you check all the autoarchive settings?  I used to have a simular problem but they were not actually going.. outlook 2000 was just being retarded when a mail folder had alot of items in it, but I doubt 2003 has that problem... and OWA confirms that is not the case.

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awoodworthAuthor Commented:
Yeah, I already did the eseutil and isinteg thing.  Still not resolved.  Still stumped.
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EricIT ManagerCommented:
Any way its user error?

Im stumped also
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awoodworthAuthor Commented:
I've tried to think of a way where the user could "accidentally" be doing this, but I can't come up with a viable scenario.  The user is relatively computer savvy and would know if he was causing the issue by doing something.  
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SembeeCommented:
Any rules in Outlook?

If it doesn't do it when the user is using OWA exclusively then it has to be something with the client configuration.
Flush out the rules and auto archiving settings and see what happens.

Simon.
Exchange MVP.
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awoodworthAuthor Commented:
Unfortunately, the user loses too much functionality when switching to OWA, so he's not willing to use it for long.  I can't get him to use it long enough to be sure the problem lies in Outlook.  He may use Outlook for a couple months before the sudden disapearance of mail occurs.

I've been through rules and archiving several times, thinking that there may be something I've overlooked, but I'm certain there are no rules or archiving that are causing this issue.
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EricIT ManagerCommented:
are the disapearing out of a specific folder or all folders?
maybe he is shift+deleting  instead of deleting and expecting it to be in the "deleted items" folder still?

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awoodworthAuthor Commented:
They are disappearing out of his "inbox" folder, but no other folders.  He has not been shift-deleting.

Sorry.
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EricIT ManagerCommented:
did you try and link it to any kind of periodic maintenence of the server.
yes i realize its a stretch :)
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crocklobsterCommented:
Hello.  I'm consulting at a large organization and I believe they are experiencing the same issue.  Over the past two days, two users (in about 900 mailboxes) have reported dissapearing emails.

Is it possible we're discovering a client-side virus?

I also wondered if the Veritas backup process had anything to do with it.  Unfortunately, the backup process runs into the daytime currently.

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SembeeCommented:
Just going through some of the old outstanding questions as it is quiet...

Has this problem been resolved?
If you need clarification on any part of the responses above, please post back.

Otherwise you need to close the question by awarding points, or posting in the Support Topic Area (top right corner) with a link to this question asking for the moderators to close the question for you without awarding points.

Simon.
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awoodworthAuthor Commented:
I think I may have resolved the problem.  I moved the user's mailbox to another server and the problem has not resurfaced.  I still don't have an answer to why this happened.

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SembeeCommented:
Sometimes you never know why things happened. We find ways of fixing things and there just enough hours in the day to work out why the problem occurred. Very often if it is a single user with the problem and it doesn't occur again, then you just have to move on.

Simon.
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EricIT ManagerCommented:
Amen simon.
Thats the truth!  I always tell people.."its computers.. it does not have to make sense"  :o
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