title: Drupal: sync users accounts between 2 different Drupal websites
body: <p>I've a Drupal A website with users accounts running on server A and with domain A.</p>
  
  <p>Now, I need to build a Drupal B website on server B and domain B, and when someone register on Drupal B, he is automatically registered on Drupal A.</p>
  
  <p>In other terms, I need so sync the users accounts.
  Can i easily make it ?</p>
  
  <p>thanks</p>