title: The provider did not return a ProviderManifest instance Error with Oracle 12c
body: <p>I have installed oracle 12c client in Windows server 2012. My asp.net mvc4 application uses Oracle 11g database with Entity Framework.</p>
  
  <p>I am getting the following error when I build the solution in Visual Studio 2012:</p>
  
  <p>Inner Exception : <strong>{"ProviderManifestToken is invalid"}</strong></p>
  
  <p><strong>The provider did not return a ProviderManifest instance.</strong></p>
  
  <p>An exception of type '<strong>System.Data.ProviderIncompatibleException</strong>' occurred in <strong>System.Data.Entity.dll</strong> but was not handled in user code</p>
  
  <pre><code>&lt;edmx:StorageModels&gt;
  &lt;Schema Namespace="Model.Store" Alias="Self" Provider="Oracle.DataAccess.Client" ProviderManifestToken="11g" xmlns:store="http://schemas.microsoft.com/ado/2007/12/edm/EntityStoreSchemaGenerator" xmlns="http://schemas.microsoft.com/ado/2009/02/edm/ssdl"&gt;
      &lt;EntityContainer Name="ModelStoreContainer"&gt;
  </code></pre>
  
  <p>Please help me to resolve this error.</p>
  
  <p>Thanks in Advance </p>
  
  <p><a href="http://i.stack.imgur.com/0IZte.png" rel="nofollow">EDMX source</a></p>