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Directory service client prevents Outlook 2000 from using "None" authentication to log on

This article was previously published under Q267879
This article has been archived. It is offered "as is" and will no longer be updated.
SYMPTOMS
If you are using Windows 95, Windows 98, or Windows 98 Second Edition in a Mixed-mode Microsoft Windows 2000-based domain and you attempt to connect to Microsoft Exchange 5.5 Server by using Microsoft Outlook 2000, you may not be able to log on successfully if the authentication mode is set to None. You receive the following error message:
Unable to open your default e-mail folders.
If you set the authentication mode to NT Authentication, you can log on successfully. Note that if the directory service client is not installed, you can log on by using either authentication mode.
RESOLUTION
A supported hotfix is now available from Microsoft, but it is only intended to correct the problem that this article describes. Apply it only to systems that are experiencing this specific problem.

To resolve this problem, contact Microsoft Product Support Services to obtain the hotfix. For a complete list of Microsoft Product Support Services telephone numbers and information about support costs, visit the following Microsoft Web site:Note In special cases, charges that are ordinarily incurred for support calls may be canceled if a Microsoft Support Professional determines that a specific update will resolve your problem. The usual support costs will apply to additional support questions and issues that do not qualify for the specific update in question. The English version of this fix should have the following file attributes or later:
   Date       Time    Version    Size    File name    OS   ------------------------------------------------------------------   7/11/2000  2:44pm  4.10.2000  25,600  Secur32.dll  Windows 95 (all                                                       releases)   7/11/2000  2:44pm  4.10.2000  25,600  Secur32.dll  Windows 98   6/30/2000  6:19am  4.10.2228  59,904  Secur32.dll  Windows 98 Second                                                      Edition				
NOTE: Due to file dependencies, the most recent hotfix or feature that contains the files listed earlier may also contain additional files.
STATUS
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
MORE INFORMATION
For more information about other issues that are resolved by this hotfix, click the following article number to view the article in the Microsoft Knowledge Base:
266772 Client cannot log on if unicode string is passed to NTLM Security Support Provider Interface

Directory Service Client Conflict Information

The hotfix that is described in this article is not fully compatible with the Windows 95 or Windows 98 Directory Service client. The Windows 95 and Windows 98 Directory Service client contains a version of the Secur32.dll file that provides additional functionality that is not included in the version of the Secur32.dll file that is included with Windows 95, Windows 98, and Windows 98 Second Edition. This hotfix also does not provide the additional Directory Service client functionality.

Therefore, the order in which you install this hotfix relative to the Directory Service client is critical. You must install this hotfix after you install the Directory Service client. If you install the Directory Service client after you install this hotfix, you must then reinstall the hotfix. This is necessary because of the behavior of the Directory Service client installation program.

For more information about Windows 98 and Windows 98 Second Edition hotfixes, click the following article number to view the article in the Microsoft Knowledge Base:
206071 General information about Windows 98 and Windows 98 Second Edition hotfixes
For more information about Directory Service client version conflicts, click the following article number to view the article in the Microsoft Knowledge Base:
283261 Version conflicts with the Directory Service client version of Windows 95 and Windows 98 system files
For more information about the Directory Service client for Windows 95 and Windows 98, click the following article number to view the article in the Microsoft Knowledge Base:
249841 How the Active Directory Client Extension uses Active Directory site information in Windows 98
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Properties

Article ID: 267879 - Last Review: 12/05/2015 20:56:57 - Revision: 3.6

  • Microsoft Windows 98 Standard Edition
  • Microsoft Windows 98 Second Edition
  • Microsoft Windows 95
  • kbnosurvey kbarchive kbhotfixserver kbenv kberrmsg kbprb kbqfe KB267879
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