Outlook Web Access does not sync properly with Exchange

We are using Microsoft Exchane 2007 on a Windows 2003 server.  Our company standard is to use OWA for mail access.  We operate a single server setup.

One of my users has supplied me with a large .pst file that he wanted me to upload to his account.  I configured an account directly with Exchange in Outlook 2007 and then opened the .pst file.  I was able to copy the files from the .pst to his Exchange mailbox, which took over an hour.

The problem is that not all of the emails are visible to him in OWA.  Some sub-folders are complete and others are only partial.  The synchronisation action does not seem to catch up properly.  I did the import on Friday and it is now Monday morning so I think the server has had enough time to do this.

Even when I delete some emails from his Exchange mailbox, the changes are not reflected in OWA.

The .PST file is 4.4gb so I wonder if it was too much for it at one go.  Should I do it folder by folder?

Any assistance would be welcome, my user is not too happy.

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Alan HardistyConnect With a Mentor Co-OwnerCommented:
The process of uploading a .PST file into Exchange is two-fold.
Import the .PST into the local computer in it's entirety and then, once that has completed. push the mail up to the exchange server.
It may be that you have not left the Outlook 2007 client open for long enough to push all the mail up to the server.
Re-open Outlook on the machine you  uploaded the PST file into and leave it open until it says All Folders Up to Date in the bottom right-hand corner of the screen (In Outlook).
Then check OWA and you should see everything.
ChrisMason-tpaAuthor Commented:
It seems to be working but send/receive does not seem to do anything.  It appears that it is sychronising of its own accord but it takes a very long time.  I have a folder with 344 emails and it has taken 10 minutes to synchronise 84 of them.  We have a good connection and a fast server.

Should it take so long?

Alan HardistyCo-OwnerCommented:
Pressing send / receive wont achieve anything in cached Exchange mode!
Sounds a little slow, but it is doing something, so best leave it to get on with it.  The process has to check what is on the server and what is not on the server and with 4.4Gb, it will be there a while working out the differences.
Make sure you don't have limits set on the Mailbox Store, otherwise you will get part way and then hit the limit and uploading will stop.
4.4Gb of mail is an enormous amount of mail and if you add this to what is already there - that equates to a massive mailbox I expect.
Is it all necessary?
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