Microsoft KB Archive/290406

= Stop 0xC000021A Error Message When You Use a Custom Gina.dll File With a WLX_LOGON_OPT_NO_PROFILE Flag =

PSS ID Number: 290406

Article Last Modified on 10/16/2002

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The information in this article applies to:


 * Microsoft Windows NT Server 4.0

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This article was previously published under Q290406



SYMPTOMS
When you use a custom Gina.dll file with the WLX_LOGON_OPT_NO_PROFILE flag, you may receive the following error message on a blue screen:

Stop 0xC000021A (0xfcf67fe8, 0xc0000034, 0x00000000, 0x00000000)



CAUSE
This problem occurs because Winlogon is referencing a pointer that is not valid.



RESOLUTION
A supported fix is now available from Microsoft, but it is only intended to correct the problem that is described in this article. Apply it only to computers that are experiencing this specific problem. This fix may receive additional testing. Therefore, if you are not severely affected by this problem, Microsoft recommends that you wait for the next Windows NT 4.0 service pack that contains this fix.

To resolve this problem immediately, contact Microsoft Product Support Services to obtain the fix. For a complete list of Microsoft Product Support Services phone numbers and information about support costs, visit the following Microsoft Web site:

http://support.microsoft.com/default.aspx?scid=fh;EN-US;CNTACTMS

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 typical support costs will apply to additional support questions and issues that do not qualify for the specific update in question.

The English-language version of this fix should have the following file attributes or later:   Date        Time    Size     File name -  13-Mar-2001  11:16  4.0.1381.7092  343,312  rpcrt4.dll    i386 13-Mar-2001 11:16  4.0.1381.7092  192,784  winlogon.exe  i386 13-Mar-2001 11:16  4.0.1381.7092  602,896  rpcrt4.dll    Alpha 13-Mar-2001 11:16  4.0.1381.7092  275,728  winlogon.exe  Alpha NOTE: Due to file dependencies, this hotfix requires Microsoft Windows NT 4.0 Service Pack 6a.



WORKAROUND
To work around this problem, do not use the WLX_LOGON_OPT_NO_PROFILE flag in your custom Gina.dll file.



STATUS
Microsoft has confirmed that this is a problem in the Microsoft products that are listed at the beginning of this article.



MORE INFORMATION
For more information about the WLX_LOGON_OPT_NO_PROFILE flag, search the MSDN Web site:

http://msdn.microsoft.com/default.asp

Additional query words: dr watson

Keywords: kbbug kbenv kberrmsg kbfile kbQFE KB290406

Technology: kbWinNT400search kbWinNTS400 kbWinNTS400search kbWinNTsearch kbWinNTSsearch

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