I’ve done some migrations recently from Microsoft Exchange to Google Apps… While the migration itself went successful, I came across many serious issues that affected the overall satisfaction of the customer…

I tried my best to solve and workaround those issues during the migration process, and it seems everything went well after what I did…

One of the major problems was, the local users were unable to send to the users who got migrated to Google already!, this problem was because of simply because they are still on Exchange server, and the emails they are sending to their colleagues basically never leave Exchange to be routed outside to Google.

One workaround I managed to use was to put the testing domain that Google gives to the Google Apps users to a good use (MAIN_DOMAIN.test-google-a.com)

I have created mail contact item for every user on the Exchange points to the user email on the testing domain… when mails are sent to that testing domain, they will be delivered to the main user mailbox on Google Apps, so that basically allowed users to communicate between each other again.

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