Welcome to InfoTech Ninja

IT professional writing about cybersecurity, cloud & DevOps, automation, networking, and systems administration. Real-world guides for real-world problems.

#Cybersecurity #Cloud #Automation #Networking #SysAdmin

Latest Articles

Configure Active Directory to Support Additional Domain Names

Add an alternative UPN suffix to your AD forest so users can sign in as user@abccorp.com without renaming the domain. Walks the optional internal DNS zone, the AD Domains and Trusts registration, the per-user assignment, and the Microsoft 365 hybrid pre-flight (domain verification, UPN audit, sign-in mode). Includes the Set-ADForest / Set-ADUser PowerShell equivalents and the common mistakes (wrong right-click, suffix vs email, forgetting public DNS validation).

Enable Active Directory Auditing

Learn how to configure Active Directory auditing via Group Policy on Windows Server 2008 R2 and later. Track account changes, directory service modifications, and policy updates across all domain controllers.