..because it was discovered by the SBS team in their Vista testing. Also, because more folks are using ISA to separate their networks. ------------------------------------------------------- Jim Harrison MCP(NT4, W2K), A+, Network+, PCG http://isaserver.org/Jim_Harrison/ http://isatools.org Read the help / books / articles! ------------------------------------------------------- -----Original Message----- From: isapros-bounce@xxxxxxxxxxxxx [mailto:isapros-bounce@xxxxxxxxxxxxx] On Behalf Of Thomas W Shinder Sent: Thursday, July 20, 2006 09:15 To: isapros@xxxxxxxxxxxxx Subject: [isapros] You cannot join a Windows Vista x64 Edition-based client computer to a Windows domain on which ISA Server 2004 is configured as a firewall Whoever wrote this should be hogtied and covered with flotsam. Why would the ISA firewall give a rats a** about communications that it doesn't handle? You cannot join a Windows Vista x64 Edition-based client computer to a Windows domain on which ISA Server 2004 is configured as a firewall: http://support.microsoft.com/kb/917903/en-us All mail to and from this domain is GFI-scanned.