Developer OneNote » ASP.NET http://devonenote.com Emma's OneNote for Microsoft Windows, Office and Programming Thu, 02 Feb 2012 05:19:49 +0000 en hourly 1 http://wordpress.org/?v=3.3.1 Could not load type System.ServiceModel.Activation.HttpModule http://devonenote.com/2010/06/could-not-load-type-system-servicemodel-activation-httpmodule/?utm_source=rss&utm_medium=rss&utm_campaign=could-not-load-type-system-servicemodel-activation-httpmodule http://devonenote.com/2010/06/could-not-load-type-system-servicemodel-activation-httpmodule/#comments Fri, 18 Jun 2010 18:19:21 +0000 emma http://devonenote.com/2010/06/could-not-load-type-system-servicemodel-activation-httpmodule/ Continue reading → Related posts:
  1. Configure PowerShell to use DotNet 4.0
  2. Handler "PageHandlerFactory-Integrated" has a bad module "ManagedPipelineHandler" in its module list
  3. Mixed mode assembly Error After Upgrading to DotNet 4.0
]]> If you install DotNet framework 4.0 on IIS server and then enable DotNet 3.0 or 3.5 WCF features, you might see following error when browse your application site made of ASP.NET 4.0 (or run on ASP.NET 4.0 application pool).

Could not load type ‘System.ServiceModel.Activation.HttpModule’ from assembly ‘System.ServiceModel, Version=3.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089′.
Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.
Exception Details: System.TypeLoadException: Could not load type ‘System.ServiceModel.Activation.HttpModule’ from assembly ‘System.ServiceModel, Version=3.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089′.

Resolution

To resolve this issue, run the following from command line:

aspnet_regiis.exe /iru

The aspnet_regiis.exe file can be found in either

  • %windir%\Microsoft.NET\Framework\v4.0.30319
  • %windir%\Microsoft.NET\Framework64\v4.0.30319 (on a 64-bit machine)

Related posts:

  1. Configure PowerShell to use DotNet 4.0
  2. Handler "PageHandlerFactory-Integrated" has a bad module "ManagedPipelineHandler" in its module list
  3. Mixed mode assembly Error After Upgrading to DotNet 4.0

]]> http://devonenote.com/2010/06/could-not-load-type-system-servicemodel-activation-httpmodule/feed/ 26