Microsoft KB Archive/258873

= Scheduled TURN Command May Not Work If No Outgoing Mail Is Queued =

Article ID: 258873

Article Last Modified on 1/27/2007

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APPLIES TO


 * Microsoft Windows 2000 Service Pack 1
 * Microsoft Windows 2000 Service Pack 1
 * Microsoft Exchange 2000 Server Standard Edition
 * Microsoft Exchange 2000 Enterprise Server
 * Microsoft Small Business Server 2000 Standard Edition

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This article was previously published under Q258873







SYMPTOMS
If the Simple Mail Transfer Protocol (SMTP) service is configured to issue the TURN command, SMTP may not send an EHLO to the remote server if there is no outgoing mail. As a result, a TURN request is denied, and the SMTP service may stop responding (hang).



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 How to Obtain the Latest Windows 2000 Service Pack

The English version of this fix should have the following file attributes or later:

 Date        Time        Version       Size                    File name - 06/08/2000  1:27:20 PM  05.21.95.101  407 KB (417,040 bytes)  Smtpsvc.dll



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 2.



MORE INFORMATION
TURN is an SMTP client process that you can use to poll a remote SMTP host intermittently for mail that is destined for a specific domain. This process is common in small business scenarios and in situations in which users do not have a permanent connection to the Internet, but dial in to an Internet service provider (ISP) to download SMTP mail. When users are connected, the SMTP connector should send a TURN request to the remote server to cause it to respond and remove any SMTP mail that is requested by the TURN command from the queue. For additional information about how to install Windows 2000 and Windows 2000 hotfixes at the same time, click the article number below to view the article in the Microsoft Knowledge Base:

249149 Installing Microsoft Windows 2000 and Windows 2000 Hotfixes

Additional query words: ex2k w2k sbs2000 SMTPsvc fail

Keywords: kbbug kbfix kbwin2000presp2fix kbqfe kbhotfixserver KB258873

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