Andrew Armstrong

Andrew Armstrong is a UK-based IT professional with 26+ years of hands-on experience in Windows, Windows Server, SCCM/ConfigMgr, Active Directory, PowerShell, and enterprise infrastructure. He founded TechyGeeksHome in 2010 and has published over 1,500 practical guides covering real-world IT problems and solutions. When not solving IT problems, Andrew develops free Windows utilities including Ultimate Settings Panel, which has been downloaded over 850,000 times.

How-To Guides

Creating Current User Registry Keys in a SCCM Package

Test your SMTP server using Windows Telnet Feature

Submit Your Website to Search Engines But Which Ones?

VMWare ESX 6.7 Serial Number Activation

Exchange Shell – Get all Shared Mailboxes Information

WordPress – Find text within all posts

WordPress Archives Drop Down Redirecting to Homepage

Exchange Shell – Export all shared mailbox permissions to CSV

CMTrace Bundled with Configuration Manager Client Install

Upgrade your Certificate Authority from SHA1 to SHA2 (SHA256)

SCCM OSD Stuck on “Just a moment…”

Windows Server – Internet Security Blocking Downloads