Vista Business and XP ProInitially, my new Vista computer could access my wireless router butmy Vista computer could not "see" my XP Pro computers nor the reverse.My solution:1) Make sure that all computers are in the same WORKGROUPXP (or Win98) used MSHOME as the default workgroup nameVistia uses WORKGROUP as the default workgroup nameTherefore, on the Vista I changed my workgroup name to MSHOME(Control Panel\System\Change Workgroup Name) -OR-(Control Panel\Network and Internet\Network Sharing Center)2 )   read more »