Andrew Armstrong

Andrew Armstrong is a UK-based IT professional with 26+ years of hands-on experience in Windows, Windows Server, SCCM/ConfigMgr, Intune, Active Directory, PowerShell and enterprise infrastructure. He founded TechyGeeksHome in 2010 and has published 770+ practical guides to real-world IT problems. He also builds free Windows utilities, including Ultimate Settings Panel, which has been downloaded over 850,000 times.

System Center

SCCM WQL Query: Clients without latest version installed

SCCM Inactive Clients: A WQL Query to Find Every One

W3 Total Cache Error: Page Cache Rewriting is URL Not Working

SCSM Delete Incidents: Removing Test Records in Bulk

SCUP Connection Error: Fixing a Failed Update Server Connection

SCCM Time Zone Codes: A Full Reference List for OSD

Exchange Mailbox Permissions: Removing Deny Access with PowerShell

How to Show Shoretel User Licenses Allocations

Export Exchange Mailbox CSV: Pulling Address Details

vCenter Appliance fsck failed

SCCM OSD Error 80220005: Fixing the Apply Windows Settings Step

SCCM Distribution Point Setup: A PowerShell Prerequisite Script