Teams Calendar and Exchange Hybrid

Kavindu Dayananda 76 Reputation points
2020-08-11T17:26:04.777+00:00

Hi,

We are having Exchange 2013 environment and now going to setup Exchange hybrid. Before migrating mailboxes, users need to use Microsoft Teams including "Calendar" feature (an enterprise subscription with Teams License is assigned for users). We just want to know by configuring Exchange hybrid will enable calendar for teams users (Same on-premises calendar) ?

Regards,
Kavindu

Microsoft Teams
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Microsoft Exchange Online Management
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Microsoft Exchange Hybrid Management
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4 answers

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  1. Jon Alfred Smith 541 Reputation points
    2020-08-11T17:41:39.777+00:00

    With Teams there is a lot more to the configuration of Exchange Hybrid scenarios, there are steps necessary to ensure Group memberships are synchronized between Exchange Server (on-premises) and Exchange Online. This involves enablement of Group Writeback functionality in Azure AD Connect along with various initialization scripts:
    https://learn.microsoft.com/en-us/microsoftteams/exchange-hybrid-organization

    Click om the link https://learn.microsoft.com/en-us/exchange/hybrid-deployment/set-up-microsoft-365-groups. All this stuff might seem a bit complicated the first time aorund, but if you follow the steps carefully and test the outcome, it does work.

    On-premises mailboxes should be on Exchange 2016 CU3 or higher. Latest CU or that one before.
    https://techcommunity.microsoft.com/t5/exchange-team-blog/configuring-teams-calendar-access-for-exchange-on-premises/ba-p/1484009

    Do also read this blog and the links:
    https://jaapwesselius.com/2020/04/07/microsoft-teams-and-exchange-2016/

    But first of all, get your hybrid Exchange up and running. Good luck! It's a lot of fun. As and Exchange admin, I love these technologies.

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  2. Andy David - MVP 141K Reputation points MVP
    2020-08-23T17:54:06.377+00:00

    Mailboxes need to be on Exchange 2016 CU3 and above to use the calendar in Teams

    19732-image.png

    https://learn.microsoft.com/en-us/microsoftteams/exchange-teams-interact

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  3. Sharon Zhao-MSFT 25,051 Reputation points Microsoft Vendor
    2020-08-12T04:43:07.987+00:00

    Hi KavinduAsangaDayananda-1079,

    The answer is yes.

    For more information about the interaction between Exchange and Microsoft Teams, you can refer to this article: https://learn.microsoft.com/en-us/MicrosoftTeams/exchange-teams-interact.

  4. Dominique Pollard 46 Reputation points
    2020-08-23T17:27:58.813+00:00

    I have setup a hybrid deployment and have noticed that users that are still on-premises do not have the calendar available in Teams. Only the migrated users are able to see the calendar there. Also migrated users will see free/busy on shared calendars of migrated users in outlook.

    https://support.microsoft.com/en-us/help/3079932/users-can-see-only-basic-free-busy-mailbox-information

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