Microsoft KB Archive/166537

= XFOR: NNTP Authentication Denied with Space in NT Password =

Article ID: 166537

Article Last Modified on 10/28/2006

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APPLIES TO


 * Microsoft Exchange Server 5.0 Standard Edition

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This article was previously published under Q166537





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



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



WORKAROUND
Use passwords without spaces.



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



STATUS
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

Additional query words: log in fail

Keywords: kbusage KB166537

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