Buddy next door got his new 4S Friday. All setup for him but whatever I do the phone won't sync over wifi. I've double checked network etc and it works fine over wifi. Even took it next door to make sure it worked on my macs. It does. I'm guessing it's a windows vista issue but google hasn't been of any use. He is buying an iMac in a couple of weeks so no big deal to sync via cable. Just curious as to why it won't work wirelessly. iTunes is setup etc