[Okta Webinar] Learn how to a build a cloud-first strategyRegister Now

x
  • Status: Solved
  • Priority: Medium
  • Security: Public
  • Views: 741
  • Last Modified:

Can you share a GAL in Exchange between different forests (2003 & 2007)?

As we begin the migration to 2007, one of my main concerns is that the new forest in 2007 needs to be able to have the same GAL as the one in 2003 to ensure that as we begin to migrate users over to 2007 that it will be as painless and transparent to them as possible. Can it be done?
0
amedexitt
Asked:
amedexitt
  • 6
  • 5
  • 2
7 Solutions
 
consultkhanCommented:
Hi,
If you are migrating mailboxes & users.The new GAL gets popoulated with the same data so its the SAME GAL.
0
 
consultkhanCommented:
However,if you would like to share GAL between these two forests.
Read this:-
Using GAL Synchronization in MIIS 2003(check the latest version)
By default, a global address list (GAL) contains mail recipients from a single forest. If you have a multiple forest environment, you can use the GAL Synchronization feature in MIIS 2003 to ensure that the GAL in any given forest contains mail recipients from other forests. This feature creates mail-enabled contacts that represent recipients from other forests, thereby allowing users to view them in the GAL and send mail. For example, users in Forest A appear as contacts in Forest B and vice versa. Users in the target forest can then select the contact object that represents a recipient in another forest to send mail.

0
 
ATIGCommented:
Question 1:
How are you doing the migration? new forest, same forest, etc.....

There are a number of tools to perform GAL sync if you are setting up a new envrionment.
0
Concerto Cloud for Software Providers & ISVs

Can Concerto Cloud Services help you focus on evolving your application offerings, while delivering the best cloud experience to your customers? From DevOps to revenue models and customer support, the answer is yes!

Learn how Concerto can help you.

 
amedexittAuthor Commented:
ATIG-It's an entirely new forest, a 2003 R2 Active Directory.

 I've already gotten Exchange 2007 installed and running. What I'm trying to do is during the migration (because you and I both know it will take a few weeks to migrate 400-500GB worth of mailboxes, even if its only 400-500 mailboxes) that the migrated over users can still send emails across to each other as if they were still on the 2003 side, and vice versa (a 2003 user sending mail to a 2007 user, who should appear on the same GAL)

Does that make sense?
0
 
ATIGCommented:
There are a number of options.

1. do a csv dump from 2003 and import into 2007 to populate the directory
2. use a tool like MIIS (tuff tool to use)
3. can use adc to sync to 2007

important note to bring over the legacyExchangeDn so that users contact still work.

the csv dump is the easiest to do.

how are you bringing the users over mailbox move or>?
0
 
amedexittAuthor Commented:
It's going to be mailbox move using that ridiculously long CommandShell syntax at the moment (I'm PRAYING SP1 introduces a GUI for cross-forest migration, its a rumor it might be added)

I'm just concerned what happens to the csv dumped users once they get moved over, is there two records that conflict? I so wish I could just add this exchange into the old forest, but they really don't want to do that. :(
0
 
ATIGCommented:
I will get you that answer on sp1 :P

You would have to remove the objects before the move so there is no conflict.
0
 
amedexittAuthor Commented:
I can't tell if your serious about the SP1 inquiry or not.. but in any case.. thanks ATIG... you wouldn't happen to know of a good resource for doing this via CSV would you?

0
 
ATIGCommented:
Yes, I am finding out... I have been running SP1 in production for month :)
0
 
amedexittAuthor Commented:
Thanks ATIG.. I truly appreciate it. Is it the same SP1 that's up on MSDN by any chance or a newer build?
0
 
ATIGCommented:
I would have to look, I dont know whats posted there.....Sp1 will continue to use only EMS for cross forest moves sorry for the news
0
 
amedexittAuthor Commented:
Ouch... that's going to be painful then. :( Oh well.. Once I get the hang of it I'm sure it won't be that big of a deal.
0
 
ATIGCommented:
save your commands to a .ps1 file then you can just run your script so you dont have to type the command over and over
0

Featured Post

VIDEO: THE CONCERTO CLOUD FOR HEALTHCARE

Modern healthcare requires a modern cloud. View this brief video to understand how the Concerto Cloud for Healthcare can help your organization.

  • 6
  • 5
  • 2
Tackle projects and never again get stuck behind a technical roadblock.
Join Now