Exchange 2007 Connecting and Receiving Mail but not getting to user mailboxes on SBS2008

Small Business Server 2008 Exchange 2007 Connecting and Receiving Mail but not getting to user mailboxes.

In the connectivity log you can see messages being downloaded but they are not getting to the mailboxes or in message tracking.
AtkinsonHDAsked:
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Cliff GaliherCommented:
Since you mention the connectivity log, can I assume you are using the pop3 connector?

-Cliff
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AtkinsonHDAuthor Commented:
Yes it downloads from a remote server, I can see the remote account filling up then empty to coincide with the log, but the emails are going no where from there?

It seemed to have stopped working when the remote server was not accessible.
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Cliff GaliherCommented:
You may have to run the IAMW and FMNW to reset your system back to defaults. Because the pop3 connector must use the pop3 protocol to download messages, some significant information is lost from the original SMTP headers (not a fault of the connector, but of the underlying protocols) and for delivery to work, things must align *exactly.*

In short, there is a reason the pop3 connector should not be used long-term and this is one of them. The wizards will fix 95% of the problems that cause the services to not mesh properly, but messages delivered in the interim are gone.
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AtkinsonHDAuthor Commented:
I take it this wont delete all the existing emails already in user mailboxes?

What's the easiest way of going about this?

Thanks
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Cliff GaliherCommented:
No. The pop3 connector is exactly that, a connector. It simply pulls mail from a pop3 source and then deposits in in a place so exchange can process it as it would any other peice of mail. Once in Exchange, the IAMW and FMNW don't touch those.

As far as the "easiest" it all depends on your specific network configuration and what (if any) customizations you've done. In most cases just running the wizards in order will suffice.

-Cliff
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Cliff GaliherCommented:
And because you asked about losing mail already in user mailboxes, just because things *shouldn't* go wrong, doesn't mean they wont. There is no substitute for solid backups. Always.

-Cliff
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AtkinsonHDAuthor Commented:
Ran Both from the SBS Console and still the same. Could it be a problem with where the transport hub is dropping the mail?
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AtkinsonHDAuthor Commented:
2011-03-25T16:52:35.878Z,,MAPI,server01.domain.local,-,Messages: 1 Bytes: 56816
2011-03-25T16:53:44.791Z,08CDB90FFB5DDC18,SMTP,mail.domain.co.uk,+,97d86fdb-6680-4946-a95a-4bb90cec0ff1
2011-03-25T16:53:45.246Z,08CDB90FFB5DDC18,SMTP,mail.domain.co.uk,>,domain.co.uk[remote server ip]
2011-03-25T16:53:45.395Z,08CDB90FFB5DDC18,SMTP,mail.domain.co.uk,>,Established connection to remote server ip
2011-03-25T17:10:41.488Z,08CDB90FFB5DDC18,SMTP,mail.domain.co.uk,-,Messages: 8 Bytes: 6837571
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