I think Al's question was 'Please list all the ports you opened between the FE and BE servers on the firewall." Saying you have all the necessary ones open doesn't really help us help you - without knowing exactly what ports are open, there is no way anyone can say if additionally opening port 88 is enough. Rick On 11/18/04 3:39 PM, "ravi" <rrb@xxxxxxxxxxx> wrote: > http://www.MSExchange.org/ > > I have opened all the necessary ports like 389,3268 to DC/GC and 25,80 to > BE. Everything is working well but i see this warning on my FE. > My concern: is opening port 88 to DC enough? or do we have to open 88 to > BE also for kerberos authntication to work? > > thanks for your help. > > ------------------------------------------------------ > List Archives: http://www.webelists.com/cgi/lyris.pl?enter=exchangelist > Exchange Newsletters: http://www.msexchange.org/pages/newsletter.asp > Exchange FAQ: http://www.msexchange.org/pages/larticle.asp?type=FAQ > ------------------------------------------------------ > Other Internet Software Marketing Sites: > World of Windows Networking: http://www.windowsnetworking.com > Leading Network Software Directory: http://www.serverfiles.com > No.1 ISA Server Resource Site: http://www.isaserver.org > Windows Security Resource Site: http://www.windowsecurity.com/ > Network Security Library: http://www.secinf.net/ > Windows 2000/NT Fax Solutions: http://www.ntfaxfaq.com > ------------------------------------------------------ > You are currently subscribed to this MSEXchange.org Discussion List as: > rickb@xxxxxxxxxxx > To unsubscribe visit http://www.webelists.com/cgi/lyris.pl?enter=exchangelist > Report abuse to listadmin@xxxxxxxxxxxxxx