I have over 6000 songs on iTunes and I would like to keep my current library on my new Windows 7 boot. However, if I make changes on Windows 7, I want them to be applied to my Windows XP boot, and vice-versa. I found that there are two ways of doing this, one that is very simple and the other for power users.
Method 1: Easy Way
Step 1: Make sure iTunes is setup correctly on your first boot and Consolidate your library (found under File -> Library or under Advanced …

Receiving Event 4321: NetBT
The name “<workgroup name>:1d” could not be registered on the Interface with IP address <client’s IP address>. The machine with the IP address <another computer’s IP> did not allow the name to be claimed by this machine.
Solution 1
1 ) Turn off all devices on network
2 ) Unplug router
3 ) optional: turn off modem (cable, DSL, etc.)
4 ) count to 60 then turn back on modem
5 ) plug back in router
6 ) Turn back on computers
7 ) Check for 4321 error and windows network connectivity
Solution 1a
1 ) Check …