Could not load file or assembly System.Net.Http.Primitives. Located assembly's manifest definition does not match the assembly reference

Add


 <assemblyBinding xmlns="urn:schemas-microsoft-com:asm.v1">
<dependentAssembly>
<assemblyIdentity name="System.Web.Extensions" publicKeyToken="31bf3856ad364e35" />
<bindingRedirect oldVersion="1.0.0.0-1.1.0.0" newVersion="3.5.0.0" />
</dependentAssembly>
<dependentAssembly>
<assemblyIdentity name="System.Web.Extensions.Design" publicKeyToken="31bf3856ad364e35" />
<bindingRedirect oldVersion="1.0.0.0-1.1.0.0" newVersion="3.5.0.0" />
</dependentAssembly>
<dependentAssembly>
<assemblyIdentity name="System.Net.Http.Primitives" publicKeyToken="b03f5f7f11d50a3a" culture="neutral" />
<bindingRedirect oldVersion="0.0.0.0-4.2.29.0" newVersion="4.2.29.0" />
</dependentAssembly>
</assemblyBinding>


Remove <assemblyBinding  appliesTo="v.02" attribute

if attribute present it search for system.primitive dll with version 1.5. which is not present
else it loads System.Net.Http.Primitives with 4.2.29.0

Don't touch machine.config because its a heart of system server.
Doctor never opens patient's heart for chest pain.