Well i have been looking all over the internet to figure out how to do this, and i just can not find anything specific enough for my situation, i would appreciate some help Thank you Well i have a Windows XP home Computer, a external "maxtor" hardrive, and a macbook with OSX. i have formatted my external hardrive to time machine's requirements, but i have to connect it via USB every-time i want to backup. i would like to know how can i connect my external hardrive to the my home PC with windows XP and then over the network backup my macbook via time machine. (i have heard it is very slow to backup over the network,but thats okay). thank you i really need help with this one.