I have the following problem: when I try to do the command AT in msdos-prompt to a computer(Win XP, mine also) in my home network i get the error Acces Denied. I tried to set the admin password on that computer to a blank one, tried the command line again and again that error. But the strange thing is i can do the AT command to a computer with WIN 2K on but not the other way around. So Win XP to Win 2k works but Win XP to Win XP or Win 2K to Win XP doesn't. What can the problem be?