Hi, I hope someone can clear this up for me. We have 5 different email domains in E2K7 SP1 i want to create 3 dynamic distribution groups based on OU. Each with the same alias but different domain. eg everyone@domain1.com= OU:Users/Company1 everyone@domain2.com= OU:Users/Company2 everyone@domain3.com= OU:Users/Company3 each time i create the second alias i get a message saying it already exists. Which is true but i need to be able to do this!! Hope this makes sense! Thanks in advance. Alex.

I think to keep same alias for different email objects are not possible since it should be unique in certain operations like OAB.

Alex,did you ever get this figured out? I'm trying to do the exact same thing. This has to be possible..

Actually, Alex, I think I figured it out; it's so obvious I overlooked it. The Display Name and Alias need to be unqiue, but the SMTP addresses don't have to be the same as the alias. The default EAP does this so it's easy to think that the SMTP needs to be the alias... You can control this with the email address policies, but the bottom line is this: If you need to have two distros: sales@companyA.com sales@companyB.com Simply create two Distribution groups called: CompanyASales CompanyBSales Then modify the SMTP addresses and add sales@comanyA.com to the first and sales@companyB.com to the second. Like I said, with some EAP tweaking you can create the policies to that you don't need to manually change the SMTP address. You'll also want to create some Address Lists and Offline Address Books for each company as well so the users in each company don't see the other contacts... I think there are much better ways of doing this, but with my limited Exchange experience, this is the first way I came up with that works. This guy wrote a decent article on the subject. Hope this helps, Tom Hundley Elegant Software Solutions, LLC