John C. WelchMacworld

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

Mac IT Guy: Network Overload, OS X Server

I have a series of older 802.11 b/g Airport Expresses set up in several rooms of the house, to let me stream music; at the heart of it all is a Time Capsule...

Mac IT Guy: Macs and Active Directory

It's certainly possible to connect Macs to networks that are running Active Directory. But sometimes it takes a little doing.

Mac IT Guy: Printer Problems and DFS

Two more questions this week: one about finding missing printer drivers, the other about accessing Microsoft DFS shares from a Mac.

Xserve Is Dead... So Now What?

When I saw the first tweets about Apple discontinuing the Xserve in 2011, I had two initial reactions:

How the IPad Fits Into IT

A lot of bits have given their life in the last few weeks so that writers can fill your computer screen with lots of words about the iPad's role in IT. The iPad...