Exchange not sending/receiving

I just had a question solved regarding outlook clients not connection to exchange because services were not starting up correctly.  That problem was solved, but since then i've noticed we haven't been able to send or receive any email at all.

I have tried restarting the transport service.   I can telnet the mail domain, no problems there.   There are 500+ emails in the queue that I can see in the EMC.    I haven't edited any of the connectors and they all look fine.

In the event viewer there are the warnings I have screenied below.   Besides this I cannot see any other problem!


ExchgTransport.jpg
Angry_StuAsked:
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farazhkhanConnect With a Mentor Commented:
Hi,

Did you change the Hub Transport service to run as Local System.

or as the MS KB (http://support.microsoft.com/kb/934286/en-us) says change it to  Network Service

Regards,
Faraz H. KHan
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farazhkhanCommented:
Hi,

Is this a Hub Transport Server?  If so, you may want to look at this KB article, if you haven't already:
http://support.microsoft.com/kb/934286/en-us

Courtesy: http://social.technet.microsoft.com/Forums/en/forefrontexchange/thread/e561a9cd-e9b1-4f5d-9134-ec8e6d167497

Regards,
Faraz H. Khan
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farazhkhanCommented:
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If your organization has a need to mass-create AD user accounts, watch this video to see how its done without the need for scripting or other unnecessary complexities.

 
memo_tntCommented:
hi

did install Symantec Mail Security for Microsoft Exchange 6.x ???
or
TrendMicro ScanMail ?
if non of the above what anti spam and anti virus installed on your server ?

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Glen KnightCommented:
If you have any virus/spam software installed can you remve it.

More often than not mailflow prOblems are caused by virus software.

Disabling it won't help it must be removed and the server then restarted.
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Angry_StuAuthor Commented:
Hi Faraz,

This quote from your first link is interesting:   "The Microsoft Exchange Transport service is configured to log on by using the Local System account instead of by using the Network Service account."

That was the fix I was given for getting the transport service to start in my original question.   I was told to change this to local and then the service would start.   So that is one possibility!

Under step 2:   "Step 2: Configure the log on account for the Microsoft Exchange Transport service"... I am unable to set the transport service from local system to network service, as the user "network service" does not exist.
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Angry_StuAuthor Commented:
memo_tnt & demazter:

The only thing I have on installed on this machine is microsoft forefront security, which comes included.   I have not istalled anything additional.

I am not even running any spam filters of any kind.

The queue itself is full of junk.   I am not sure if this is worrying, but some of these emails are from our mail domain in the "From" column, but there is no such email address.   In the screenie below examples of this are acc2@identitywa.com.au    and    admin5@identitywa.com.au
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Angry_StuAuthor Commented:
File did not attach.
ExchgQ.jpg
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gupnitCommented:
Hi,
Looks like issues with Transport Agent. Start with this:
  • Run ExBPA to see what it throws and share results with us.
  • Check Event Viewer to see if any related error is there (share it with us)
  • Did you install anything on the Transport Server recently?
  • I would delete and recreate the connectors
Let me know
Thanks
Nitin Gupta (gupnit)
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gupnitCommented:
try using Network Authority\Network Service
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Glen KnightCommented:
Have you installed Rollup 9 for Exchange 2007 SP1? If not can you download and install.
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gupnitCommented:
Well if you are planning then I would recommend going to Exchange 2007 SP2. It is all cumulative and SP2 would give more options to you. Refer for installtion http://www.telnetport25.com/component/content/article/1-exchange-2007-gen/312-installing-service-pack-2-for-exchange-2007-on-your-cas-ht-mailbox-and-clustered-instances.html
In the meantime though, I would run ExBPA and recreate connectors....
Thanks
Nitin Gupta (gupnit)
 
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Angry_StuAuthor Commented:
All these emails just started pouring in!

The solution was the Local System setting for the Transport service.   It needed to be set as Network Service.    So someone gave me a dodge solution!

Thanks Faraz for forwarding me that article.   It seems to have done the trick.
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Angry_StuAuthor Commented:
This post accepted as it is more clear what the issue was, but the article link was from Faraz' initial response.
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