My Windows 7 and Windows XP computers can't talk to each other.  They have =
the same workgroup and are in the same subnet.  Windows 7 can ping XP by IP=
 address but not by hostname.  Windows XP can't ping Windows 7 by IP addres=
s or host name.  They were talking to each other until I restored the XP co=
mputer from a backup, so I don't think the issue is with Windows 7.  Any id=
eas?