DNS dependency analysis tool
A PowerShell tool that found unknown DNS dependencies across over 800 servers, so legacy DNS servers could be retired without disruption.
- PowerShell
- Windows Server DNS
- Active Directory
- Git
Associate Consultant, Tata Consultancy Services (November 2022 to present)
Moved over 800 servers from Windows Server 2008 and 2012 to 2019 and 2025 inside change windows, with no unplanned downtime.
Hundreds of servers were running Windows Server versions that no longer received security updates, and each had to move without interrupting the service it supported.
Each migration ran inside an approved change window with a tested plan. Every new server received CIS benchmark hardening, and any vulnerability found was remediated before the server went live.
Over 800 servers were migrated to Windows Server 2019 and 2025 with no unplanned downtime. Every server is hardened to the CIS benchmark.
A PowerShell tool that found unknown DNS dependencies across over 800 servers, so legacy DNS servers could be retired without disruption.
Consolidated two Entra ID and Microsoft 365 tenants: over 1,000 mailboxes, SharePoint Online, OneDrive and over 500 Intune devices, keeping existing domain names.
Moved 10 TB of file server data to OneDrive for Business after removing old and duplicate data and mapping legacy permissions.