Did you know that when you delete or disable a user in Active Directory or Entra ID the user is still stored in SharePoint. Did you also know that SharePoint retains any permissions that the user did have in SharePoint at the time? This means that if the user returns and their account is re-enabled they will have all of the same permissions that they had before. Luckily for us ShareGate offer us an easy way to remove these 'orphaned users'.
Figure: Orphaned user report
Figure: Add connection
Figure: Connect to your environment
Figure: Choose navigate or tick
Figure: Choose site
Figure: Choose Run now
Figure: Clean orphaned users
Figure: Continue
Figure: Report Results