Q: File Sharing problem between two macs on the same network.

Hi, when you say it's connected & sharing files, do you mean the iMac is able to see files on the Mini... or the Mini sees files on the iMac? Or both?

This has worked for a few...

Though all of these steps may or may not be needed, I'm including them all.

Make a New Location, Using network locations in Mac OS X ...

http://support.apple.com/kb/HT2712

10.7 & 10.8…

System Preferences>Network, top of window>Locations>Edit Locations, little plus icon, give it a name.

10.5.x/10.6.x/10.7.x instructions...

System Preferences>Network, click on the little gear at the bottom next to the + & - icons, (unlock lock first if locked), choose Set Service Order.

The interface that connects to the Internet should be dragged to the top of the list.

10.4 instructions...

Is that Interface dragged to the top of Network>Show:>Network Port Configurations.

If using Wifi/Airport...

Instead of joining your Network from the list, click the WiFi icon at the top, and click join other network. Fill in everything as needed.

My SystemConfiguation file was corrupted.

That's a folder. Which one of the files in it was corrupt?