New admin needs help with DNS and Domain MadAdmin 4/25/2007 10:06:02 PM I've just built and windows domain with two DC's and two exchange machines in a cluster. I named the domain contoso.com. The windows domain is actually sitting behind a unix sys/ domain that will be relaying mail to and from exchange with the same domain name contoso.com. Problem is the windows domain thinks it contoso.com and will not hit or relay to the REAL contoso.com,. so for example when i try to send mail out from exchange although i specified the unix smart host and i send a message to jon[ at ]contoso.com it automatically comes back because it think its the real domain and says that address is not available. Is there a remedy for this? or do i have to blow everything away and redo it with a different name. THANKS A BUNCH FOR THE HELP.

Re: New admin needs help with DNS and Domain "Herb Martin" <news[ at ]learnquick.com> 4/25/2007 10:55:57 PM "MadAdmin" <MadAdmin[ at ]discussions.microsoft.com> wrote in message news:43FFEF39-30C4-4328-964E-F41BEAA1E630[ at ]microsoft.com... [Quoted Text] > I've just built and windows domain with two DC's and two exchange machines > in > a cluster. I named the domain contoso.com. The windows domain is actually > sitting behind a unix sys/ domain that will be relaying mail to and from > exchange with the same domain name contoso.com. Problem is the windows > domain > thinks it contoso.com and will not hit or relay to the REAL contoso.com,. > so > for example when i try to send mail out from exchange although i specified > the unix smart host and i send a message to jon[ at ]contoso.com it > automatically > comes back because it think its the real domain and says that address is > not > available. The Windows DNS really needs to BE the DNS Server for the ENTIRE "contoso.com" zone OR you need to setup and MANUALLY maintain a "Shadow DNS" (aka Split DNS setup) where you manually make all external changes to both the extenral (UNIX) version of the zone and to the Internal (Windows) version. > Is there a remedy for this? or do i have to blow everything away and redo > it > with a different name. THANKS A BUNCH FOR THE HELP. Or build you Windows as a CHILD or DIFFERENT domain name. -- Herb Martin, MCSE, MVP http://www.LearnQuick.Com (phone on web site)

Re: New admin needs help with DNS and Domain "Kevin D. Goodknecht Sr. [MVP]" <admin[ at ]nospam.WFTX.US> 4/25/2007 11:47:14 PM Read inline please. In news:43FFEF39-30C4-4328-964E-F41BEAA1E630[ at ]microsoft.com, MadAdmin <MadAdmin[ at ]discussions.microsoft.com> typed: [Quoted Text] > I've just built and windows domain with two DC's and two exchange > machines in a cluster. I named the domain contoso.com. The windows > domain is actually sitting behind a unix sys/ domain that will be > relaying mail to and from exchange with the same domain name > contoso.com. Problem is the windows domain thinks it contoso.com and > will not hit or relay to the REAL contoso.com,. so for example when i > try to send mail out from exchange although i specified the unix > smart host and i send a message to jon[ at ]contoso.com it automatically > comes back because it think its the real domain and says that address > is not available. > > Is there a remedy for this? or do i have to blow everything away and > redo it with a different name. THANKS A BUNCH FOR THE HELP. This is not a DNS issue, if Exchange thinks it is the only mail server for contoso.com it has no reason to relay mail to another server. If [ at ]contoso.com is the default e-mail domain, I don't know if this will work, but right click on the SMTP virtual server, choose properties, select the messages tab, in the field labeled "Forward all mail with unresolved recipients to host:" enter the name (IP Address in [brackets]) of the other mail server. I think this only works if [ at ]contoso.com is not the default e-mail domain, and you have cleared the check box on the recipient policy "This Exchange Organization is responsible for all mail delivery to this address" -- Best regards, Kevin D. Goodknecht Sr. [MVP] Hope This Helps Send IM: http://www.icq.com/people/webmsg.php?to=296095728 =================================== When responding to posts, please "Reply to Group" via your newsreader so that others may learn and benefit from your issue, to respond directly to me remove the nospam. from my email address. =================================== http://www.lonestaramerica.com/ http://support.wftx.us/ http://message.wftx.us/ =================================== Use Outlook Express?... Get OE_Quotefix: It will strip signature out and more http://home.in.tum.de/~jain/software/oe-quotefix/ =================================== Keep a back up of your OE settings and folders with OEBackup: http://www.oehelp.com/OEBackup/Default.aspx ===================================