Some knowlege from the top of my head

My personal blog

  1. What to remove in DNS to to stop Client Access to Domain Controllers

  2. Demoting a Domain controller without uninstalling the Role

  3. Remove-ADUser -> Remove-ADObject

  4. Excel and Delete / Create file rights

  5. Refresh quotas

  6. Shortcuts to microsoft management consoles & control panel snap-ins.

  7. How to get a hold of the quota.md and quota.xml files

  8. Migrating quotas between From Window 2012->2012R2

  9. Run cmd as the system account.

  10. Remembers that casting variables is sticky