This article was previously published under Q262685
This article has been archived. It is offered "as is" and will no longer be updated.
When you move a mailbox from one server to another, Simple Mail Transfer Protocol (SMTP) routes mail back and forth between servers, and eventually a non-delivery report (NDR) is generated.
When you move a mailbox from one server to another, and mail is sent before the directory change has been replicated, the two servers might set up a mail loop, each thinking that the other has the mailbox.
To resolve this problem, obtain the latest service pack for Windows 2000. For additional information, click the following article number to view the article in theMicrosoft Knowledge Base:
260910 How to Obtain the Latest Windows 2000 Service Pack
The following files are available for download from the MicrosoftDownload Center:
For additional information about how to download Microsoft Support files, click the following article number to view the article in the Microsoft Knowledge Base:
119591 How to Obtain Microsoft Support Files from Online Services
Microsoft scanned this file for viruses. Microsoft used the most current virus-detection software that was available on the date that the file was posted. The file is stored on security-enhanced servers that help to prevent any unauthorized changes to the file.
Microsoft has confirmed that this is a problem in the Microsoft products that are listed at the beginning of this article.
This problem was first corrected in Windows 2000 Service Pack 1.