brotherhood_of_LAN - 5:33 am on Jul 31, 2012 (gmt 0)
I'm going to guess that it's due to the MySQL config. There is a file called my.cnf with some MySQL variables in it as part of your installation, find the following line
The IP address may be different. Change the IP to the IP of the machine with MySQL on it, then restart MySQL, that may sort it.