CryptographicException When You Request Multithreaded Digest Authentication Posts (319014)



The information in this article applies to:

  • Microsoft ASP.NET (included with the .NET Framework) 1.0

This article was previously published under Q319014

SYMPTOMS

You receive a 401 error with a CryptographicException exception under the following circumstances:
  • You request more than 200 digest authentication posts.
  • The client application is multithreaded.
  • The client application uses digest authentication to post to the server.

RESOLUTION

A supported hotfix is now available from Microsoft, but it is only intended to correct the problem that is described in this article. Only apply it to systems that are experiencing this specific problem. This hotfix may receive additional testing. Therefore, if you are not severely affected by this problem, we recommend that you wait for the next Microsoft .NET Framework service pack that contains this hotfix.

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: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 version of this fix should have the following file attributes or later:
   Date         Time   Version         Size       File name
   --------------------------------------------------------------
   04-Mar-2002  13:40  1.0.3705.210    1,253,376  System.dll       
				

STATUS

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

Modification Type:MinorLast Reviewed:10/11/2005
Keywords:kbHotfixServer kbQFE kbbug kbfix kbNetFrame100SP1fix kbQFE kbSecurity KB319014