title: Could not load file or assembly 'Microsoft.SqlServer.ManagedDTS, Version=12.0.0.0, Culture=neutral, PublicKeyToken=89845dcd8080cc91'
body: <p>I have created as SSSIS package in BIDS 2013 and deployed code on server with following configuration:</p>
  
  <pre><code>Window Server: 2012
  SQL Server: 2014
  </code></pre>
  
  <p>SSIS is working fine. but when I change Server Configuration as below:</p>
  
  <pre><code>Window Server: 2008
  SQL Server : 2012
  </code></pre>
  
  <p>I get the following error:</p>
  
  <blockquote>
    <p>Could not load file or assembly 'Microsoft.SqlServer.ManagedDTS,
    Version=12.0.0.0, Culture=neutral,  PublicKeyToken=89845dcd8080cc91'
    or one of its dependencies. The system cannot find the file specified.</p>
  </blockquote>