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Avatar photoRobert Allen

Founder, Owner, and Product Development at Active Directory Pro.

Robert has extensive experience in Windows System Administration, Office 365, Azure, Cisco switches and routers, VMWare, PowerShell, L2, and L3 networking, network security, Cisco ASA, and Fortigate firewalls. Robert Allen holds several IT certificates including, MCSE, MSA, CCNA, CCNA Security, and CompTIA Security +.

Since launching Active Directory Pro, Robert has published several detailed how-to guides and best practices that have become very popular. Active Directory Pro is now one of the most popular resources for information on Active Directory, Microsoft Servers, and related technologies.

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How to view open files on windows server

December 6, 2022

How to view open files on Windows Server (2012, 2016 & 2019)

There are times when a file is open on a windows server and you need to view what user or … Read more

Best Patch Management Software

September 24, 2024

6 Best Windows Patch Management Software

Looking for the best Windows patch management software to automate Microsoft and 3rd party updates? There are many patch management … Read more

How to find inactive computer accounts in active directory

January 11, 2025

How to Find Inactive Computers in Active Directory

In this guide, I’ll show you how to find inactive Computers in Active Directory with PowerShell and the AD Pro … Read more

How to install Remote Server Administration Tools on Windows 10

September 29, 2024

Install RSAT Tools (Windows 10,11, Windows Server)

In this guide, I’ll show you how to install the RSAT tools on Windows 10, Windows 11, and Windows Server. … Read more

January 3, 2025

PowerShell: Export Active Directory Group Members

November 28, 2022

How to install PowerShell modules

A PowerShell module is a grouping of various functions that operate as a single mini-program. Modules are used to interact … Read more

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Recent Articles

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