Migration Exchange to Grommunio

kcizmesija

Hello everyone. I am planning a migration from Exchange Server to Grommunio. My Exchange Server hosts around 700 users/mailboxes.
What would be the best way to perform this kind of migration?
I also want to use the same domain on the Grommunio server as I did on the Exchange Server.
Is there an easier way to migrate email clients, or is manually reconfiguring them the only option?
If you need any more info about systems, I will happly provide that.
Thank you in advance.

WalterH

This is the migration script: https://github.com/grommunio/gromox/blob/prime/tools/exchange2grommunio.ps1
Read the documentation inside of the script.

kcizmesija

Thank you for the link to the script. I still have a few questions:

Is it necessary for Grommunio to be connected to LDAP/AD or can I create local users on Grommunio?
This is not a question, but more of a thought: when I migrate everything, users will need to reconfigure their email clients from scratch. If Autodiscover is correctly set up, their only task should be to enter the new login credentials, and everything should work as expected - correct?

WalterH

you can also create the mailboxes locally, but Exchange mailboxes are usually LDAP users and the migration script expects an LDAP server, but you can change this in the script.
the users must first delete the Outlook profile, Outlook uses the created profile regardless of whether the server still exists.