IT professional writing about cybersecurity, cloud & DevOps, automation, networking, and systems administration. Real-world guides for real-world problems.
Learn how to restore deleted Active Directory objects using the AD Recycle Bin. This guide explains the object lifecycle with and without the Recycle Bin enabled, and walks through restoring a deleted user account using the Active Directory Administrative Center (ADAC) and Windows PowerShell.
Learn how to permanently delete objects from the Active Directory Recycle Bin using PowerShell. This guide explains why the ADAC GUI cannot permanently delete recycled objects and shows the exact Get-ADObject and Remove-ADObject commands to safely and irreversibly remove an AD object before its tombstone lifetime expires.
Learn how to configure DFS Namespaces and DFS Replication on Windows Server. This step-by-step guide covers installing DFS roles, creating a domain-based namespace, adding folder targets on multiple servers, configuring share permissions, and setting up a replication group to keep files synchronized automatically.
Add an alternative UPN suffix to your AD forest so users can sign in as user@infotechninja.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).
Learn how to establish a two-way forest trust between independent Active Directory forests. This guide covers DNS conditional forwarding setup, the New Trust Wizard, authentication scope selection, and SID filtering considerations.
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.
Learn how to create and manage Fine-Grained Password Policies (FGPP) in Active Directory using ADAC and PowerShell. Apply separate password requirements to privileged accounts and user groups without touching the Default Domain Policy.
Learn how to configure DNS reverse lookup zones and PTR records on Windows Server. This step-by-step guide covers zone creation, dynamic registration, manual PTR records, and verification — essential for email delivery, SIEM tools, and network troubleshooting.
