title: Script-Migration' is not recognized as the name of a cmdlet,
body: <p>I am using EF core migration  Visual Studio 2017 update 2 and latest asp.net core 1.1</p>
  
  <p>My csproj</p>
  
  <pre><code>&lt;PackageReference Include="Microsoft.AspNetCore.Identity.EntityFrameworkCore" Version="1.1.2" /&gt;
  &lt;PackageReference Include="Microsoft.CSharp" Version="4.3.0" /&gt;
  &lt;PackageReference Include="Microsoft.EntityFrameworkCore.Design" Version="1.1.2" /&gt;
  &lt;PackageReference Include="Microsoft.EntityFrameworkCore.SqlServer" Version="1.1.2" /&gt;
  &lt;PackageReference Include="Microsoft.Extensions.Configuration.Json" Version="1.1.2" /&gt;
  &lt;PackageReference Include="Microsoft.EntityFrameworkCore.Tools" Version="1.1.1" /&gt;
  &lt;PackageReference Include="System.Collections" Version="4.3.0" /&gt;
  &lt;PackageReference Include="System.Linq" Version="4.3.0" /&gt;
  &lt;PackageReference Include="System.Runtime" Version="4.3.0" /&gt;
  &lt;PackageReference Include="System.Threading" Version="4.3.0" /&gt;
  </code></pre>
  
  <p>I am able to run the command</p>
  
  <pre><code>Add-Migration
  </code></pre>
  
  <p>in my package manager console</p>
  
  <p>However I am not able to run the command </p>
  
  <pre><code>Script-Migration 
  </code></pre>
  
  <p>as I get the error message </p>
  
  <blockquote>
    <p>Script-Migration' is not recognized as the name of a cmdlet</p>
  </blockquote>