Could not load file or assembly ‘Owin, Version=, Culture=neutral, PublicKeyToken=f0ebd12fd5e55cc5’ or one of its dependencies. The system cannot find the file specified.

There is two possibilities:

Possibility 1:

You haven’t added the Owin.dll reference to the project. You can add the reference and recompile project.

Possibility 2:

You have a latest version of the dll (2.1.0 or higher), You can add below code to your web.config file. I’m using so I have updated newVersion=”″

<assemblyIdentity name=”Microsoft.Owin” publicKeyToken=”31bf3856ad364e35″ culture=”neutral” />
<bindingRedirect oldVersion=”″ newVersion=”″ />

You can compile the code.

I hope, its working well.

Amit Patriwala

(Manager –


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