Exchange hybrid setup Free/Busy for multidomain not working.

jerry verghese george 21 Reputation points
2021-01-20T11:45:34.62+00:00

Hi all,

We have a multi domain (22 domains) AD e Exchange 2013 setup. we have successfully created the endpoints for the hybrid setup and performed the on boarding of some of the test mailboxes successfully (On-premises to Exchange online). We have a dedicated Exchange 2016 server with the hybrid setup.

All 22 domains are validated successfully on Office365- using SRV record on the public DNS.

The issue is : Free/busy option is not working between domains.

58560-image.png

TO start with, we have enabled the federation trust between the domain1 and the domain2 by registering the txt value (Key) provided by the by the wizard and still no result.

do you have any suggestions ?

Thank you
--
Jerry

Exchange Server Management
Exchange Server Management
Exchange Server: A family of Microsoft client/server messaging and collaboration software.Management: The act or process of organizing, handling, directing or controlling something.
7,335 questions
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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  1. Joyce Shen - MSFT 16,641 Reputation points
    2021-01-21T02:44:38.947+00:00

    Hi @jerry verghese george

    According to your information above, you have a hybrid environment with 22 domains. You have configured federation trust between on-premise domain1 and domain2,
    however freebusy between these two on-premise domains still not work. Are the users still located on-premise now? Correct me if I have any misunderstanding about your question.

    Did you configure any sharing policy in your organization? Please check if you have setup all steps right list in the offcial document: Configure federated sharing

    You could refer to this link to get more information about this process as well: Exchange 2013/2016: Calendar Sharing between 2 Orgs

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