Microsoft KB Archive/235318

= XFOR: Exchange Server NNTP Service Fails With 500 Command Not Recognized =

Article ID: 235318

Article Last Modified on 10/28/2006

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APPLIES TO


 * Microsoft Exchange Server 5.0 Standard Edition
 * Microsoft Exchange Server 5.5 Standard Edition

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This article was previously published under Q235318



SYMPTOMS
The Internet News Service fails to receive a push feed from an authorized Internet news provider. When the newsfeed provider issues an IHAVE command to the Exchange Server computer, the following error message may occur:

500 command not recognized.



CAUSE
The Internet News Service has failed to validate the newsfeed provider as an accepted server.



RESOLUTION
In addition to specifying the Remote USENET Site Name and Host Name, the IP address or fully qualified domain name of the newsfeed server needs to be added to the Additional Inbound Hosts (Remote host name) field. It is recommended that the IP address be used to avoid any name resolution problems.

When configured correctly, the "Newsfeed type" listed on the General tab of the Newsfeed will read either "Newsgroups are accepted inbound," or "Newsgroups are accepted inbound and pushed outbound." You cannot edit the newsfeed property after it has been configured. When you are running the Newsfeed Setup Wizard, be sure that the "Inbound newsfeed type" is set to "Accept incoming messages (typical)."



STATUS
Microsoft has confirmed this to be a problem in Microsoft Exchange Server, version 5.5.

Additional query words: nntp, ihave, command, telnet

Keywords: kbprb KB235318

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