Learn PowerShell scripting, automation, and command-line management to streamline administration across Windows, Azure, and Microsoft 365 environments.
Home /LAPS /Windows LAPS Password Lookup Tool (PowerShell + GUI) Last Updated: August 2026 A Windows LAPS password lookup tool is a PowerShell script (with an optional GUI) that wraps Get-LapsAADPassword and the Microsoft Graph API so support teams can retrieve local administrator passwords backed up to Microsoft Entra ID without using raw PowerShell or
Fix “The Name Reference Is Invalid” in Active Directory After Exchange Decommission If you’ve recently decommissioned your last on‑premises Exchange server, you may run into the showInAddressBook name reference invalid error the moment you try to copy a user in Active Directory Users and Computers (ADUC). The error looks generic, but the cause is very
The Real‑World Problem In real enterprise environments, DNS is never simple. You don’t just have one zone — you have: When a Domain Controller is decommissioned, DNS often keeps stale records behind: Manually checking and cleaning these across dozens (or hundreds) of zones is: The Solution – Core365 DNS Stale Record Scanner Core365-DNS-StaleRecord-Scanner is a
⏱️ Estimated Read Time 6–8 minutes Managing Group Policy Objects (GPOs) in large Active Directory environments can quickly become chaotic. Over time, duplicate and conflicting settings creep in—leading to unpredictable behavior and long troubleshooting sessions. In this guide, you’ll learn how to identify GPO duplicates, detect conflicts, and clean up your environment using a powerful
⏱️ Estimated Read Time – 6–8 minutes Active Directory replication issues are one of the most common hidden causes of outages, authentication failures, and inconsistent policies in enterprise environments. Yet most tools used today: 👉 That’s exactly why I built this: A real-time AD Replication Dashboard powered by PowerShell + HTML that transforms raw replication
If you’ve ever dealt with “my account is locked again” tickets, you know the real pain isn’t unlocking the account — it’s finding what keeps locking it. When a user gets locked out in Active Directory, the key investigative signal is Windows Security Event ID 4740 (“A user account was locked out”). [techpress.net] 💻 Download
