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An application domain cannot unload when you call a Web service with SSL

Article ID: 833602 - View products that this article applies to.

SYMPTOMS

When you call a Web service by using SSL and an application domain must be unloaded while the call is in progress, the application domain does not unload, a System.CannotUnloadAppDomainException exception is thrown, and the Microsoft ASP.NET worker process may die.

Note An application domain may be unloaded for some reason that is unrelated to calling the Web service. For example, if the Web.config file is modified, the application domain may be unloaded.

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RESOLUTION

Software update information

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, Microsoft recommends that you wait for the next Microsoft .NET Framework 1.0 service pack that contains this hotfix.

To resolve this problem immediately, 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:

http://support.microsoft.com/contactus/?ws=support

(http://support.microsoft.com/contactus/?ws=support)

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.

Prerequisites

The .NET Framework 1.0 Service Pack 2 (SP2)

File information

The English version of this software update 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         Time   Version       Size       File name                                         Platform
   -------------------------------------------------------------------------------------------------------
   11-Dec-2003  07:13  1.0.3705.478    200,704  Aspnet_isapi.dll                                  x86
   11-Dec-2003  07:06                    4,169  Aspnet_perf.h
   11-Dec-2003  07:14                  513,302  Aspnet_perf.ini
   11-Dec-2003  07:14                  510,714  Aspnet_perf2.ini
   11-Dec-2003  07:14  1.0.3705.478     24,576  Aspnet_regiis.exe                                 x86
   11-Dec-2003  07:14  1.0.3705.478     28,672  Aspnet_wp.exe                                     x86
   11-Dec-2003  06:27  1.0.3705.478     69,632  Corperfmonext.dll                                 x86
   17-Jun-2003  21:43                   16,597  Installpersistsqlstate.sql
   17-Jun-2003  21:43                   17,331  Installsqlstate.sql
   09-Sep-2003  00:28                   17,807  Installsqlstatetemplate.sql
   11-Dec-2003  06:25  1.0.3705.478    303,104  Mscorjit.dll                                      x86
   11-Dec-2003  23:48  1.0.3705.478  1,953,792  Mscorlib.dll                                      x86
   11-Dec-2003  06:18                   10,284  Mscorlib.ldo
   11-Dec-2003  06:26  1.0.3705.478  2,273,280  Mscorsvr.dll                                      x86
   11-Dec-2003  06:26  1.0.3705.478  2,269,184  Mscorwks.dll                                      x86
   11-Dec-2003  07:10  1.0.3705.478     20,480  Perfcounter.dll                                   x86
   23-Aug-2002  02:23                       15  Smartnav.htm
   30-Jul-2003  00:04                    8,728  Smartnav.js
   11-Dec-2003  23:48  1.0.3705.478  1,179,648  System.data.dll                                   x86
   11-Dec-2003  23:48  1.0.3705.478  1,695,744  System.design.dll                                 x86
   11-Dec-2003  23:48  1.0.3705.478  1,175,552  System.dll                                        x86
   11-Dec-2003  23:48  1.0.3705.478    241,664  System.messaging.dll                              x86
   11-Dec-2003  23:48  1.0.3705.478    311,296  System.runtime.remoting.dll                       x86
   11-Dec-2003  23:49  1.0.3705.478    131,072  System.runtime.serialization.formatters.soap.dll  x86
   11-Dec-2003  23:48  1.0.3705.478  1,200,128  System.web.dll                                    x86
   11-Dec-2003  23:48  1.0.3705.478    507,904  System.web.services.dll                           x86
   11-Dec-2003  23:50  1.0.3705.478  1,994,752  System.windows.forms.dll                          x86
   11-Dec-2003  07:20                   16,632  System.windows.forms.ldo
   11-Dec-2003  07:15  1.0.3705.478     57,344  System.windows.forms.tlb
   11-Dec-2003  23:50  1.0.3705.478  1,302,528  System.xml.dll                                    x86
   11-Dec-2003  23:47  1.0.3705.478     32,768  Tlbimp.exe                                        x86
   17-Jun-2003  21:43                    1,419  Uninstallpersistsqlstate.sql
   09-Sep-2003  00:28                    2,119  Uninstallsqlstatetemplate.sql
   11-Dec-2003  23:47  1.0.3705.478     65,536  Wsdl.exe                                          x86

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