Outlook 2007 IMAP problem

We use SBS 2008 and Exchange 2007 and the workstations use Outlook 2007.  We have one email address that is IMAP so that everyone can view and respond to client service questions.  The problem I am having is the machine that has the client service email on it, for some reason that Outlook 2007 is not showing all the emails.  It is a .ost file for that machine, while all the other machines have the client service email show up in an IMAP set of folders.  All the IMAP instances show all emails, but the actual machine that has the .ost file is not showing all the emails. For example the .ost machine Inbox newest email is from August while all the other machines that have the IMAP folder have emails from today, yesterday, etc.  

Where should I look to solve this problem?
wfcrrAsked:
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QlemoBatchelor, Developer and EE Topic AdvisorCommented:
Outlook pre-2013 use PST, no OST, for IMAP. OST is only for Cached Mode Exchange. So this sounds as if the account has not been set up as IMAP on this machine, or it is using a different Outlook release.
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wfcrrAuthor Commented:
It is Outlook 2007 and it uses .ost.  This machine was set up using Exchange file .ost, not a .pst.  All other machines also use .ost, but for the "customerservice" email, all other machines also have the IMAP-ed set of folders.
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QlemoBatchelor, Developer and EE Topic AdvisorCommented:
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wfcrrAuthor Commented:
ALL of our machines use .ost files.  Our server runs Exchange 2007 and all our workstations use .ost files.
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QlemoBatchelor, Developer and EE Topic AdvisorCommented:
Of course all machines use OST files if connected to Exchange. The point now is that the failing machine only uses an OST file, so it cannot be connected via IMAP. If I understand correctly, it is the one using the common account as main (Exchange) account, hence as a OST, and all other machines access that Exchange account via IMAP (hence using a PST). Correct so far?

In that case, the first recommendation of course would be to use a different Exchange account as main account, and IMAP for the shared one, on all machines. However, this might be not suitable or easy to accomplish.

But that does not explain why it does not work the way you have set it up. IMAP is server-based, with a local (cached) copy of files only - as is Exchange. Did you try to rebuild the OST file (e.g. by renaming it while Outlook is not running)?

We have a similar demand, a support account which is the main account of one employee, and others having access to it in addition. We changed from Outlook 2007 to 2010 for those other few machines to be able to easily add a second Exchange account, after having all kind of troubles with proxy in 2007 - e.g. no incoming mail notification. I can't remember if we had issues with using IMAP, but think so as we did not stay with it.
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wfcrrAuthor Commented:
The failing machine instance is .ost. We are not using IMAP on it, just saying the mailbox is IMAP'd onto other machines, but not this one. This one is using the .ost file and I noticed it has not been getting the Inbound email since August. All the other machines that have the IMAP'd folder show all the inbound email, but oddly this machine that has the .ost file does not show all it's inbound email. I hope I am saying it well.  This machines has the .ost file, so, it should show all it's inbound email, but it doesn't.  Only the other machines that have "customerservice" email IMAP'd onto the show all the inbound email for "customerservice". Oddly, the "customerservice" machine which is using the .ost file for "customerservice" does not show all it's inbound email.

It used to, but doesn't now.
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QlemoBatchelor, Developer and EE Topic AdvisorCommented:
Then I'm correct, but that doesn't help much. I can only suggest alternative routes, sorry.
Often, sync errors with Exchange are caused by a defective OST file. As I suggested, stop Outlook, rename the OST, and start Outlook again to see if it syncs correctly.
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wfcrrAuthor Commented:
That helped, a lot.  I renamed .ost file, then let Outlook rebuild it and now see all the inbox email.

I have another issue, should I start a new question? Archiving seems to not be working. Each time I run Archive, it runs, then finishes, but I still see emails older than the archive setting still in all the .ost folders.  Archive seems to be running, but not moving the emails.  I also checked the path and it has the correct archive file location selected.
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QlemoBatchelor, Developer and EE Topic AdvisorCommented:
Yes, please ask a new question. Archiving can be restricted by "only if read", or categories excluded, or .... Or PST / OST file corruption again stops it.
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wfcrrAuthor Commented:
Thanks for the help with the IMAP issue.  That seems to be resolved, now.

Can you also help with this "Archiving" question?

http://www.experts-exchange.com/questions/28737542/Archive-is-not-working-Outlook-2007-ost-file.html
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