XFOR: NNTP Authentication Denied with Space in NT Password

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This article was previously published under Q166537

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SYMPTOMS

When you try to access NNTP newsgroups, authentication may fail. A 501 (authentication failure) error message appears in the application log.

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CAUSE

The NNTP authentication algorithm cannot handle a space in a user's password.

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WORKAROUND

Use passwords without spaces.

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RESOLUTION

Apply the fix described below. The NNTP authentication algorithm was fixed to properly handle a password that contains spaces.

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Microsoft has confirmed this to be a problem in Microsoft Exchange Server version 5.0. This problem was corrected in the latest Microsoft Exchange Server 5.0 U.S. Service Pack. For information on obtaining the service pack, query on the following word in the Microsoft Knowledge Base (without the spaces):

S E R V P A C K

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APPLIES TO

Microsoft Exchange Server 5.0 Standard Edition

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kbusage KB166537

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Retired KB Content Disclaimer

This article was written about products for which Microsoft no longer offers support. Therefore, this article is offered "as is" and will no longer be updated.

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