title: Get-Acl does not refresh the acl correctly when an identity reference is renamed
body: <p>I have a directory with a simple ACL:</p>
  
  <p>The <code>Get-Acl . | Format-List</code> command outputs the following</p>
  
  <pre><code>Path   : Microsoft.PowerShell.Core\FileSystem::mypath
  Owner  : BUILTIN\Administrateurs
  Group  : AD\Utilisateurs du domaine
  Access : AD\GL_test_RW Allow  Modify, Synchronize
           AD\GL_test_RO Allow  ReadAndExecute, Synchronize
  </code></pre>
  
  <p>If I rename the groups GL_test* with the rename-adobject command, and I if re-run Get-Acl, the group names are not updated !</p>
  
  <p>The SID of the groups, however, are correctly translated if I do something like:</p>
  
  <pre><code>$acl.access[0].IdentityReference.Translate([Security.Principal.SecurityIdentifier]).Value
  </code></pre>
  
  <p>But if I translate it back to a name, the old group names are returned !</p>
  
  <p>How can I force Get-Acl to return the correct and new group names ?</p>