Well, this isn’t what _I_ would do. But it’s just as valid as any other solution.
Can I ask whether the new domain is only required in O365 or also on-premises? From: [email protected] [mailto:[email protected]] On Behalf Of Paul Cookman Sent: Friday, July 15, 2016 2:55 PM To: <[email protected]> Subject: Re: [Exchange] 365 migration. Does anyone have any advice on this one? Kind regards, Paul. Sent from my iPhone On 14 Jul 2016, at 11:43, Paul Cookman <[email protected]<mailto:[email protected]>> wrote: Hi, I have three Forests with their own exchange Orgs and need to get them all into one new 365 subscriptions. None have 365 currently. I also have a requirement to create a new domain with a new name for all forests. Currently free/busy and a shared SMTP name space is in place. My current plan is to create a new domain with on premise exchange and the new 365 subscriptions, then cross forest migrate all the three domains and mailboxes into the new domain before moving up to 365. This will give me the new domain name and the new 365 subscriptions. This will be a long coexistence project and I know there will be disruption with shared mailboxes which will be a real problem. Does anyone have any recommendations on this project, I was wondering if I could do something with linked mailboxes, moving the ad account and leaving the mailboxes where they are and then move the mailbox directly to 365 rather than into the new domain/exchange first. At this point I am not sure if this is possible or supported. Any advice would be very much appreciated. Kind regards, Paul. 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No contracts or commitments may be concluded on behalf of CORETX or its group companies by means of email, and no statement or representation made in this email is binding on behalf of CORETX. ________________________________ ______________________________________________________________________ This email has been scanned by CORETX Ltd using the Symantec Email Security.cloud service. ______________________________________________________________________ ______________________________________________________________________ This email has been scanned by CORETX using the Symantec Email Security.cloud service. ______________________________________________________________________ ______________________________________________________________________ This email has been scanned by CORETX Ltd using the Symantec Email Security.cloud service. ______________________________________________________________________
