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FIX: Thread.CurrentPrincipal Is NULL When You Use Remoting

This article was previously published under Q325799
This article has been archived. It is offered "as is" and will no longer be updated.
When you make a call by using remoting, Thread.CurrentPrincipal is set to null.
Because of a bug in the .NET Framework, the information is not carried over correctly from one remoting context to another during the remoting call.
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 .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 has the file attributes (or later) that are listed in the following table. The dates and times for these files are listed in coordinated universal time (UTC). When you view the file information, it is converted to local time. To find the difference between UTC and local time, use the Time Zone tab in the Date and Time tool in Control Panel.
   Date          Version        Size        File name   -----------------------------------------------------   09-Jul-2002   1.0.3705.294   1,953,792   Mscorlib.dll 				

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

Article ID: 325799 - Last Review: 10/26/2013 17:19:08 - Revision: 2.4

Microsoft .NET Framework 1.0 Service Pack 1

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