Failed to load from assembly "system. servicemodel, version = 3.0.0.0, culture = neutral, publickeytoken = b77a5c561934e089"

 

 

 

1. English source connection:

 

 

Http://support.microsoft.com/kb/2015129

 

2. Chinese explanation: source connection:Http://blog.csdn.net/dashuuser/archive/2011/04/15/6325709.aspx

 

According to Microsoft prompts, this error may be caused by installing a later version of. NET Framework. Here is a solution.

 

 

Step 1: modify the configuration file % WINDIR %/system32/inetsrv/config/applicationhost

 

<Add name = "servicemodel" type = "system. servicemodel. Activation. httpmodule, system. servicemodel,

Version = 3.0.0.0, culture = neutral, publickeytoken = b77a5c561934e089"

 

Precondition = "managedhandler, runtimeversionv2.0"/>

 

This node already exists in the file (normally), as long as some modifications are made.

 

Step 2: Open the (% WINDIR %/Microsoft. NET/framework/v4.0.3031920.aspnet_regiis.exe-IRU file at the following address

 

(ASP. net iis registration tool ).