Exchange 2007 Stopped Sending Mails

dr_dudd used Ask the Experts™
My Exchange 2007 server suddenly stopped delivering all mail. The problem is I can't diagnose anything because when I try any of the tools they don't work: queue viewer fails after about 3 minutes with "the remote procedure call was cancelled". Routing log viewer hangs and never does anything. Message tracking found exactly one message of status RECEIVE and absolutely nothing else, yet messages are being delivered to the server via SMTP.

I can't think where to look and am at the end of my wits here!!! Any help gratefully received.
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Can you check the event viewer and post the critical transport event on the server ? Is the Drive C: is or Drive D: is low on Disk space ?

Also run the Mailflow Troubleshooter which is available under Toolbox option on system Manager.


I cannot believe that I have been chasing this issue for hours and never checked the event viewer. Thanks viralrathod, saved my bacon! Sometimes all it needs is a fresh perspective.

This specific problem was that the password expired on the journal account, so every e-mail was stuck at the journal and thus could go no further. Why it caused the queue viewer and other functions to fail we may never know, but when I unlocked the account and set the password to never expire everything came good!
Viral RathodConsultant

Good to here that the issue has been resolved :) ,also Thanks for the update and points.

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