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MrWhite_nl
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Joined Jun 09, 2020
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hybrid exchange (2010) migrate to new exchange 2016 server in new (trusted) domain
Scenario: ExchangeServer2010 (hybrid) is a member of DomainA which has a 2way trust with DomainB. ExchangeServer2016 (which is not yet in production) is a member of DomainB. Objects of DomainA are synced by Azure AD Connect with Office365. ExchangeServer2010 hosts on-premise mailboxes (both user and shared) and a set of remote-mailboxes (both user and shared). All our email from outside our organisation flows into our ExchangeServer2010 and decides if recipient is on-premise or in Exchange Online and sends it accordingly. so far so good. What we want: We want to decomission ExchangeServer2010 in DomainA and migrate all on-premise mailboxes (and their user-objects) to ExchangeServe2016 in DomainB. But also, we want to keep all user-objects with remote-mailboxes (both users and shared) in DomainA and keep them synced by Azure Ad Connect synced with Office365 and manage their mailboxes in Office365. We want our future mail-flow like this: Have mail from outside our organisation flow to ExchangeServer2016 and decide if recipient exists on-premise and if not check with and/or forward to Exchange Online. We are not sure how we can 'divorce' our remote-mail users from ExchangeServer2010 or if this is possible. And we dont know how the last part in our future mailflow (decide if recipient exists on-premise and if not check with and/or forward to Exchange Online) is to be configured on ExchangeServe2016. Thank you to anyone who can shed some light on our situation!811Views0likes0Comments
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