Edge Transport with TMG and linked mailboxes to external domain
We want to deploy Exchange 2010 using a Edge Transport server, and TMG to deploy OA, OWA and Autodiscovery. Will there be any difficulties with linked mailboxes. I would guess this should work as long the internal domain has access to the external domain, and the AD LDS is updated on the Edge server? Is there a better way to do this? Can anyone confirm or correct me? -ae
March 25th, 2012 8:07am

Hi, We may need to consider the port which we should open like LDAP (389 TCP/UDP) and Global Catalog (3265 TCP),etc. Exchange Network Port Reference: http://technet.microsoft.com/en-us/library/bb331973.aspx Base on my research, the following possible issue would occur, you may need to run the script in the article below. You cannot log on to a local intranet site that you publish by using ISA Server 2006 when there are multiple user accounts that have the same account name in different domains http://support.microsoft.com/kb/952675Xiu Zhang TechNet Community Support
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March 27th, 2012 3:40am

Hi and thanks for the reply, I will try the script if my theory does not work. Install a Windows 2008 R2 server. Not adding to the domainI'm installing the Exchange Edge Transport Server together with the AD LDS role. (as documented in Technet library)Installing the TMG role, and adds the internal Domain AD DS as a Authentication Server in TMG. Also adding any other relevant Domains Authentication ServersPublish Exchange Services trough the TMG server using built-in wizards. This way I believe it should work as long the TMG is resolving the correct domain passed by the users login service. Setting up a lab to try. Please correct me if I'm way off.-ae
March 27th, 2012 5:45am

It should work. But a lab testing would be a better way to emulator the environment and unexpected issues. Xiu Zhang TechNet Community Support
Free Windows Admin Tool Kit Click here and download it now
March 28th, 2012 1:59am

It should work. But a lab testing would be a better way to emulator the environment and unexpected issues. Xiu Zhang TechNet Community Support
March 28th, 2012 1:59am

It should work. But a lab testing would be a better way to emulator the environment and unexpected issues. Xiu Zhang TechNet Community Support
Free Windows Admin Tool Kit Click here and download it now
March 28th, 2012 1:59am

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