Could not load file or assembly 'Microsoft.IdentityModel

asp.net-mvc sharepoint-2013 .net-assembly
RiksonTool picture RiksonTool · Jan 30, 2017 · Viewed 10.5k times · Source

I have developed a SharePoint provider hosted (MVC) app and hosted web application in iis of azure VM (WIN SERVER 2012).

When we try to use application using an app, It throws below error.

enter image description here

Server Error in '/' Application.

Could not load file or assembly 'Microsoft.IdentityModel, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35' or one of its dependencies. The system cannot find the file specified.

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.IO.FileNotFoundException: Could not load file or assembly 'Microsoft.IdentityModel, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35' or one of its dependencies. The system cannot find the file specified.

Source Error:

An unhandled exception was generated during the execution of the current web request. Information regarding the origin and location of the exception can be identified using the exception stack trace below.

Assembly Load Trace: The following information can be helpful to determine why the assembly 'Microsoft.IdentityModel, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35' could not be loaded.

WRN: Assembly binding logging is turned OFF. To enable assembly bind failure logging, set the registry value [HKLM\Software\Microsoft\Fusion!EnableLog] (DWORD) to 1. Note: There is some performance penalty associated with assembly bind failure logging. To turn this feature off, remove the registry value [HKLM\Software\Microsoft\Fusion!EnableLog].

I have already installed dotNet 3.5 and 4.5 in the server. still having the same error. can anyone help me?

Answer

Chris Pratt picture Chris Pratt · Jan 30, 2017

You need Windows Identity Foundation either installed on your server or in your project.

Related questions

Using the razor engine in SharePoint 2013 Visual Web Part

I'm trying to make use of the razor engine in a SharePoint 2013 Web Part. This, I read, shouldn't be too difficult since SharePoint 2013 Visual Web Parts can be built using .NET Framework 4.0 I'm simply not sure of where to begin …

Read More
JQuery - $ is not defined

I have a simple jquery click event <script type="text/javascript"> $(function() { $('#post').click(function() { alert("test"); }); }); </script> and a jquery reference defined in the site.master <script src="<%=ResolveUrl("~/Scripts/jquery-1.3.2.js")%&…

Read More
A potentially dangerous Request.Form value was detected from the client

Every time a user posts something containing < or > in a page in my web application, I get this exception thrown. I don't want to go into the discussion about the smartness of throwing an exception or crashing an …

Read More