Hi all, i had search and read all thread about exchange 2007 in forum but i still can't solve my problem. let me explain detail about my exchange: 1. we have existing exchange 2007 sp2 with topology one edge transport server in dmz and one server exchange (hub,client,mailbox) used for @gunung.com. its run well until now. 2. AD in win2k3 ent 3. OS win2k3 ent last month we decide to create subdomain mail (@abc.gunung.com) for new department. we succeed create subdomain AD. i run this all step in main AD: - Setup /PrepareLegacyExchangePermissions -Setup /PrepareSchema -Setup /PrepareDdomain -setup /preparedomain:"abc.gunung.com" all finish with succeed so i move on install exchange 2007 for subdomain in new server. After finish i just add this server name in source server - send connectors. i didn't setting other role. now we can send receive from internal to internal , can send using @abc.gunung.com to external. but receive from external to abc.gunung.com fail. nb: *@gunung.com still run normally now without error for external & internal mail. did i miss something in creating edge transport or hub transport or anything. should i install new edge server to this subdomain? any comments will very appreciated. thanks

Hello, Is that the real subdomain name, abc.gunung.com? If so, you are missing the mx records in your public DNS server. http://www.mxtoolbox.com/SuperTool.aspx?action=mx%3aabc.gunung.com MX 10 abc.gunung.com -> mail.gunung.comMiguel Fra | Falcon IT Services, Miami, FL www.falconitservices.com | www.falconits.com | Blog

On Sat, 3 Nov 2012 10:42:41 +0000, gahapi wrote: >Hi all, i had search and read all thread about exchange 2007 in forum but i still can't solve my problem. let me explain detail about my exchange: 1. we have existing exchange 2007 sp2 with topology one edge transport server in dmz and one server exchange (hub,client,mailbox) used for @gunung.com. its run well until now. 2. AD in win2k3 ent 3. OS win2k3 ent last month we decide to create subdomain mail (@abc.gunung.com) for new department. we succeed create subdomain AD. i run this all step in main AD: - Setup /PrepareLegacyExchangePermissions -Setup /PrepareSchema -Setup /PrepareDdomain -setup /preparedomain:"abc.gunung.com" all finish with succeed so i move on install exchange 2007 for subdomain in new server. After finish i just add this server name in source server - send connectors. i didn't setting other role. now we can send receive from internal to internal , can send using @abc.gunung.com to external. but receive from external to abc.gunung.com fail. nb: *@gunung.com still >run normally now without error for external & internal mail. did i miss something in creating edge transport or hub transport or anything. should i install new edge server to this subdomain? any comments will very appreciated. thanks Did you add the new domain to your set of accepted domains? Or was the gunang.com accepted domain already configured to be authoritative for itself and all sub-domains? Do you have the necessary MX record(s) in your external DNS for the abc.gunung.com domain? FYI, there's no reason why you need another AD domain in your forest just to accomodate another e-mail domain. --- Rich Matheisen MCSE+I, Exchange MVP --- Rich Matheisen MCSE+I, Exchange MVP