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Microsoft KB Archive/103828

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Knowledge Base


Article ID: 103828

Article Last Modified on 11/1/2006



APPLIES TO

  • Microsoft Windows NT Advanced Server 3.1
  • Microsoft Windows 3.1 Standard Edition



This article was previously published under Q103828


SYMPTOMS

Windows NT Remote Access Clients cannot be validated if the password contains extended characters. Extended characters have ASCII codes above 128.

CAUSE

If your Windows NT RAS client password contains any Extended characters, RAS client authentication will not properly convert their case (that is, uppercase versus lowercase). This will cause Windows NT RAS authentication to fail. It works fine for characters "a-z" and "A-Z."

RESOLUTION

Until a bug fix is released, do not use extended characters in your Windows NT passwords. This is especially true for Remote Access and Services for Macintosh.


STATUS

Microsoft has confirmed this to be a problem in Windows NT and Windows NT Advanced Server version 3.1. This problem was corrected in the latest U.S. Service Pack for Windows NT and Windows NT Advanced Server version 3.1. 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


REFERENCES

- For more information about why RAS must convert the character case of passwords, query on the following words in the Microsoft Knowledge Base:

RAS and LAN and Manager and Password and Authentication




  • For more information about other Windows NT password authentication problems, query on the following words in the Microsoft Knowledge Base:

    Windows and NT and Extended and Character and Password and Problems

  • For more information about Windows NT Authentication, query on the following words in the Microsoft Knowledge Base:

    INF and User and Authentication and Windows and NT


Keywords: kbnetwork KB103828