Some knowlege from the top of my head

My personal blog

  1. Getting rid of special characters

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

  3. Demoting a Domain controller without uninstalling the Role

  4. Remove-ADUser -> Remove-ADObject

  5. Excel and Delete / Create file rights

  6. Refresh quotas

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

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

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

  10. Run cmd as the system account.