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Provision Room resource with no mailbox. No on-premises Exchange! RRS feed

  • Question

  • We are preparing for Lotus Notes -> Exchange Online migration.

    Currently we have appx 20k resources including rooms that have to be provisioned as i.e. Room but with no mailbox attached for co-existence during migration phase, where mailbox remains in legacy Notes system.

    We will leverage mail "forwarding" functionality to keep both systems updated with calendar/booking/free-busy related events.

    We have no MS Active Directory Exchange schema (not-planned due to no Exchange on-premise) therefore we cannot use legacy attributes or anything related to AADConnect synchronization.

    How to create resource objects in Exchange Online with no mailbox attached.

    Ps. Tried:

    New-Mailbox -EnableRoomMailboxAccount $True -Room -Alias 'RES_ROM_UKLD12112' -Name 'RES_ROM_UKLD12112' -MicrosoftOnlineServicesID 'RES_ROM_UKLD12112@contoso.onmicrosoft.com' -RoomMailboxPassword (ConvertTo-SecureString -String 'RES_ROM_UKLD12112' -AsPlainText -Force)

    *but the mailbox is automatically created.

    New-MailUser -Name 'RES_ROM_UKLD12112' -ExternalEmailAddress 'RES_ROM_UKLD12112@contoso.com' -MicrosoftOnlineServicesID 'RES_ROM_UKLD12112@contoso.onmicrosoft.com' -Password (ConvertTo-SecureString -String 'RES_ROM_UKLD12112' -AsPlainText -Force)

    *cannot change RecipientType value to Room

    Thanks


    Greg Spyra Sr. IAM Engineer

    Thursday, December 17, 2015 10:32 AM

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