One possibility is the create a trust between the 2 AD Forests, whould this be of any help ?
I also came across: http://support.microsoft.com/?id=319759, one of my concerns with this approach is the bouncing of unknown recipients between both Exchange orgs. Thanks! ----- Original Message ----- From: "Ed Crowley [MVP]" <[EMAIL PROTECTED]> To: "Exchange Discussions" <[EMAIL PROTECTED]> Sent: Saturday, June 19, 2004 12:35 Subject: RE: Company merge question > If the two companies are in the same Exchange organization and same Active > Directory forest, then this sorts itself out. > > If the two companies are in separate organizations, and therefore separate > forests, you'll need either a third-party tool to synchronize the > directories (or enter them manually if they're not too big), or you'll need > a front-end sendmail or some such host with an alias table to route the mail > to the appropriate Exchange organization. > > Avaliable options I'm aware of for replicating directories between > organizations: > > 1. HP LDAP Directory Synchronization Utility (LDSU) > http://h18005.www1.hp.com/services/messaging/mg_ldap.html > > 2. Microsoft Identity and Integration Server http://www.microsoft.com/miis > > 3. MIIS GAL Sync tool (limited but free) > > 4. SimpleSync http://www.cps-systems.com/ > > 5. MS Mail Dirsync (unsupported by Microsoft, but is supposed to work) > > 6. Active Directory Connector (in interorganizational mode) > > 7. Your own code > > Ed Crowley MCSE+Internet MVP > Freelance E-Mail Philosopher > Protecting the world from PSTs and Bricked Backups!T > > -----Original Message----- > From: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED] On Behalf Of Sorry > Confidential > Sent: Friday, June 18, 2004 5:16 PM > To: Exchange Discussions > Subject: Company merge question > > Hi > > Company A is merging with Company B > > Company A (Windows 2000/Exchange 2000), companyA.local and have the smtp > address @abc.org Company A has one briddgehead server and multiple sites > each with their respective Exchange 2000 server all in the same Exchange Org > and AD domain > > For Company B being merged there will be a new domain Windows 2003/Exchange > 2003) companyB.local and they would like to use the same @abc.org external > smtp address Company B will have multiple sites (exchange 2003) > > Our questions : > - we had another customer in the past where the smtp address was splitted > onto 2 exchange 2000 server (2 different sites same AD exchange org) > without bridghead. We used some kind of SMTP connector... If we only have > less that 1000 users all over those exchange servers, is a bridghead server > really needed ? The bandwith is very fast between all sites and there is > not a lot of users.... > > - Because we will have 2 AD Domains with different exchange org, when eMail > arrive to the wrong server in one of the 2 different AD/exchange org, we > were intending to use the " FORWARD ALL UNRESOLVED ADDRESS TO " features in > the SMTP Virtual Server... Is it ok ? Is there anyway to have the > calendering between exchange in 2 seperate AD and exchange org ?? > > This is a temporary situation as Company A's AD, domain, exchange org will > be migrated to the new AD/Exchange infrastructure.... > > Thanks > > _________________________________________________________________ > List posting FAQ: http://www.swinc.com/resource/exch_faq.htm > Web Interface: > http://intm-dl.sparklist.com/cgi-bin/lyris.pl?enter=exchange&text_mode=&lang > =english > To unsubscribe send a blank email to > %%email.unsub%% > Exchange List admin: [EMAIL PROTECTED] > To unsubscribe via postal mail, please contact us at: > Jupitermedia Corp. > Attn: Discussion List Management > 475 Park Avenue South > New York, NY 10016 > > Please include the email address which you have been contacted with. > > > _________________________________________________________________ > List posting FAQ: http://www.swinc.com/resource/exch_faq.htm > Web Interface: http://intm-dl.sparklist.com/cgi-bin/lyris.pl?enter=exchange&text_mode=&lang=english > To unsubscribe send a blank email to %%email.unsub%% > Exchange List admin: [EMAIL PROTECTED] > To unsubscribe via postal mail, please contact us at: > Jupitermedia Corp. > Attn: Discussion List Management > 475 Park Avenue South > New York, NY 10016 > > Please include the email address which you have been contacted with. > > _________________________________________________________________ List posting FAQ: http://www.swinc.com/resource/exch_faq.htm Web Interface: http://intm-dl.sparklist.com/cgi-bin/lyris.pl?enter=exchange&text_mode=&lang=english To unsubscribe send a blank email to [EMAIL PROTECTED] Exchange List admin: [EMAIL PROTECTED] To unsubscribe via postal mail, please contact us at: Jupitermedia Corp. Attn: Discussion List Management 475 Park Avenue South New York, NY 10016 Please include the email address which you have been contacted with.
