I just configured a shared USB disk in my Airport Extreme. My Mac can see it no problem, but when I try to access it from an XP machine it asks for a user/password. I have set the disk protection to "Airport Extreme password". As far as I know, there is only a password for it, but no user name or account related to it. Windows insists in asking for the user name, and I can't leave it blank. I tried putting the Airport Extreme name as the user name, but it doesn't work either. Does anyone knows how to do this? Thanks a lot.