Exchange not sending / receiving internal / external mail, Urgent (500 Points)

We've had an issue in which IIS had to be reinstalled. Upon unistallation the administrator removed RPC over HTTP and SMTP service.

We reinstalled IIS and the SMTP service, along with RPC over HTTP but had to modify the registry to register the exchange services with inetinfo, the regkey edited was:

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\InetInfo\Parameters\

The key is 'DispatchEntries' and it now looks like this:

Ӹ㶝粃鵀粈诌Ӹ
LDAPSVC           <--- Manually Entered
SMTPSVC
NNTPSVC
IMAP4SVC         <--- Manually Entered
POP3SVC           <--- Manually Entered
RESVC               <--- Manually Entered

Now after restarting the exchange appeared to come back online without issue and seemed to be running fine. After a more close inspection it seems emails are not being delivered anywhere.

If I send a test message to myself, Outlook sends and shows the message in sent items but when I check the message tracking centre there is no trace of it. Also all normal emails coming in are bounced stating there recipient is unknown.

Desperate for information or help.

Regards

Guy_Adams





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Guy_AdamsAsked:
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LeeDerbyshireConnect With a Mentor Commented:
If you reinstalled IIS, you will probably need to reinstall Exchange, too.  You have probably already done some of this, but it may help:

http://support.microsoft.com/default.aspx?scid=kb;%5BLN%5D;320202
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Guy_AdamsAuthor Commented:
This is the MS KB article we followed regarding the registry keys.

http://support.microsoft.com/kb/277770/EN-US/

Regards

Guy_Adams
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Guy_AdamsAuthor Commented:
Thanks LeeDerbyshire,

I've got the KB article, I'll have a look and get back to you.

Regards

Guy_Adams
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Guy_AdamsAuthor Commented:
Just to let you know I managed to get it sorted.

I had to indeed reinstall exchange which was not as bad as I thought it would be and I even managed to get it completed on a live server (not recommended but I had no choice on this occasion)

I reinstalled exchange from the disk, reapplied service pack 1 and got all the mail routing correctly once again. While I had emails down I installed SP2 too!

Thanks for the advice, I suppose I knew I had to just didnt want to admit it. Ive awarded you the points.

Regards

Guy_Adams
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