title: LDAP nested group filter for microsoft AD
body: <p>I would like to write a search filter which would help me retrieve all groups which a user is part of.</p>
  
  <p>For instance:
  Say I am retrieving entries for user A (which is part of group A). And group A may be part of group B and group D which in turn may be part of group E.</p>
  
  <p>Now, my search filter should return me MemberOf attribute as all possible groups which user A is part of (in this specific case it is Group A, B, D, E).</p>
  
  <p>Any pointers on how the search filter can look like?</p>