XADM: SMTP Causes Messages to Loop When You Move a Mailbox

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This article was previously published under Q262685

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SYMPTOMS

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.

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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.

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RESOLUTION

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 the Microsoft Knowledge Base:

260910 (http://support.microsoft.com/kb/260910/EN-US/ ) How to Obtain the Latest Windows 2000 Service Pack

The following files are available for download from the Microsoft Download Center:

US English
Q262259_w2k_sp1_x86_en.exe (http://download.microsoft.com/download/win2000srv/patch/q262259/nt5/en-us/q262259_w2k_sp1_x86_en.exe)

French
Q262259_w2k_sp1_x86_fr.exe (http://download.microsoft.com/download/win2000srv/patch/q262259/nt5/fr/q262259_w2k_sp1_x86_fr.exe)

German
Q262259_w2k_sp1_x86_de.exe (http://download.microsoft.com/download/win2000srv/patch/q262259/nt5/de/q262259_w2k_sp1_x86_de.exe)

Italian
Q262259_w2k_sp1_x86_it.exe (http://download.microsoft.com/download/win2000srv/patch/q262259/nt5/it/q262259_w2k_sp1_x86_it.exe)

Japanese
Q262259_w2k_sp1_x86_ja.exe (http://download.microsoft.com/download/win2000srv/patch/q262259/nt5/ja/q262259_w2k_sp1_x86_ja.exe)

Spanish
Q262259_w2k_sp1_x86_es.exe (http://download.microsoft.com/download/win2000srv/patch/q262259/nt5/es/q262259_w2k_sp1_x86_es.exe)

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 (http://support.microsoft.com/kb/119591/EN-US/ ) 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.

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STATUS

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.

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