Stop repeating e-mail messages

At times, users of Exchange 5.5 may receive more than one copy of the same Internet e-mail messages as if the messages are 'looping'. This will be a great annoyance to the user, but it's one that is easily removed.

The most likely reason for this annoyance is a message pointer did not get removed from the queue.dat file. This file is located on the drive that stores the Exchange databases, for example: d:exchsrvrImcdataqueue.dat

The Queue.dat file contains administrative information about the status of Internet mail queues and messages, both inbound and outbound. It does not contain the actual messages themselves. If this file is deleted or renamed, Microsoft Exchange Server is able to rebuild or recreate the file.

So you can resolve the 'mail looping' problem by first stopping the Internet Mail Service. Then, simply delete the queue.dat file. Because it doesn't store messages, you can delete the Queue.dat file without fear of losing mail. But you should remove this file only when the Internet Mail Service is not running. If Queue.dat is marked Read-Only, you can remove the attribute, assuming you have administrative privileges, and then delete the file. Then restart the Internet Mail Service, which should start up correctly, and then process mail normally. This should resolve the 'mail looping' problem.

Adesh Rampat has 10 years experience with network and IT administration. He is a member of the Association of Internet Professionals,

    Requires Free Membership to View

the Institute for Network Professionals and the International Webmasters Association. He has also lectured extensively on a variety of topics.

Got an Exchange tip of your own? Why not send it in? You'll get instant fame when we post your tip on our Web site, and we'll enter you in our tips contest for some neat prizes.

This was first published in October 2001

There are Comments. Add yours.

TIP: Want to include a code block in your comment? Use <pre> or <code> tags around the desired text. Ex: <code>insert code</code>

REGISTER or login:

Forgot Password?
By submitting you agree to receive email from TechTarget and its partners. If you reside outside of the United States, you consent to having your personal data transferred to and processed in the United States. Privacy
Sort by: OldestNewest

Forgot Password?

No problem! Submit your e-mail address below. We'll send you an email containing your password.

Your password has been sent to:

Disclaimer: Our Tips Exchange is a forum for you to share technical advice and expertise with your peers and to learn from other enterprise IT professionals. TechTarget provides the infrastructure to facilitate this sharing of information. However, we cannot guarantee the accuracy or validity of the material submitted. You agree that your use of the Ask The Expert services and your reliance on any questions, answers, information or other materials received through this Web site is at your own risk.