John C. WelchMacworld

John C. Welch is the IT Director for The Zimmerman Agency, and is a longtime Mac IT pundit.

Mac OS X Lion Server

Mac IT Guy: What Lion means for businesses

Mac IT Guy: OS X Lion Server

iPad power: connect to a VPN

Mac IT Guy: the phantom printer

Mac IT Guy: two routers, one network

Mac IT Guy: replacing an Xserve

Mac IT Guy: Network overload, OS X Server

Mac IT Guy: Access Exchange from home

Mac IT Guy: Macs and Active Directory

Mac IT Guy: printer problems and DFS

Mac IT Guy: password prompts

Mac IT Guy: Which e-mail service?