Microsoft Teams
A Microsoft customizable chat-based workspace.
10,268 questions
Unfortunately, no
The mailboxes have to be in Exchange 2016 CU3 and above databases
Teams & mixed Exchange 2013 / 2016
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Hello,
we have an 2 node Exchange 2013 DAG Cluster (latest CU) and are testing Exchange Hybrid & Teams.
As far as i know Teams can't access the Exchange 2013 onprem calendars because of missing REST API and autodiscoverV2.
My question: Would an third Exchange server in version 2016 fix this problem? So the 2016 Exchange gets the external CAS Requests and proxy to the mailboxes on the 2013 DAG Cluster?
Thankyou in advance & kind regards Boris
Microsoft Teams
Microsoft Exchange Hybrid Management
Microsoft Exchange Hybrid Management
Microsoft Exchange: Microsoft messaging and collaboration software.Hybrid Management: Organizing, handling, directing or controlling hybrid deployments.
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Joyce Shen - MSFT 16,666 Reputation points2020-08-14T05:12:05.177+00:00 Any update about your issue? Are suggestions below helpful to you?
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Joyce Shen - MSFT 16,666 Reputation points
2020-08-19T08:09:11.907+00:00 Do you have further information so far?
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3 answers
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Andy David - MVP 148.9K Reputation points MVP2020-08-10T14:46:57.247+00:00 -
Jon Alfred Smith 541 Reputation points2020-08-10T14:52:27.017+00:00 I have never tried this. But according to this article written by the Exchange Team (and several blogs), on-premises mailboxes should be on Exchange 2016 CU3 or higher.
https://techcommunity.microsoft.com/t5/exchange-team-blog/configuring-teams-calendar-access-for-exchange-on-premises/ba-p/1484009 -
Joyce Shen - MSFT 16,666 Reputation points
2020-08-14T08:12:06.18+00:00 As suggested above, you will need to upgrade your Exchange 2013 to 2016, migrate the mailboxes to the new server then configure it again.