Microsoft KB Archive/246391

= Setting PaswordChangeFlags to 4 or Higher Causes Access Violation =

Article ID: 246391

Article Last Modified on 9/23/2005

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APPLIES TO


 * Microsoft Internet Information Server 4.0

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This article was previously published under Q246391



SYMPTOMS
If you set the PasswordChangeFlags value to 4 or higher, and the number of days that a user's password will expire is less than the PasswordExpirePrenotifyDays value, an Access Violation error message occurs.



CAUSE
If the PasswordChangeFlags value is set to 4 or higher, when IIS checks to see if it needs to redirect the client to the password expire page, the function IIS calls returns NULL instead of a pointer to a string containing the URL. IIS incorrectly attempts to use the pointer to check the string to see if it is empty without first checking to see if it has a valid pointer.



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.

To resolve this problem, 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 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     Platform

11/15/1999  07:06:25pm 4.2.731.1 329,024 Asp.dll       x86 11/15/1999  07:04:36pm 4.2.731.1 184,736 Infocomm.dll  x86 11/15/1999  07:05:23pm 4.2.731.1 11,248  Iwrps.dll     x86 11/15/1999  07:05:33pm 4.2.731.1 38,256  Ssinc.dll     x86 11/15/1999  07:05:42pm 4.2.731.1 25,360  Sspifilt.dll  x86 11/15/1999  07:05:21pm 4.2.731.1 228,464 W3svc.dll     x86 11/15/1999  07:05:03pm 4.2.731.1 87,508  Wam.dll       x86

11/15/1999  07:05:45pm 4.2.731.1 549,648 Asp.dll       alpha 11/15/1999  07:04:02pm 4.2.731.1 303,888 Infocomm.dll  alpha 11/15/1999  07:04:47pm 4.2.731.1 16,656  Iwrps.dll     alpha 11/15/1999  07:04:58pm 4.2.731.1 60,176  Ssinc.dll     alpha 11/15/1999  07:05:05pm 4.2.731.1 39,696  Sspifilt.dll  alpha 11/15/1999  07:04:45pm 4.2.731.1 383,760 W3vc.dll      alpha 11/15/1999  07:04:29pm 4.2.731.1 149,264 Wam.dll       alpha



STATUS
Microsoft has confirmed that this is a problem in Internet Information Server 4.0.



MORE INFORMATION
Keywords: kbhotfixserver kbqfe kbbug kbfix KB246391

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