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organizational relationship for cross tenant user calendar visibility

Anonymous
2025-07-10T05:44:42+00:00

Hi, Community

Really need help with organizational relationship setting for cross tenant user calendar visibility ,

we have two tenants, the management team wish to see the other tendent users' busy/free status when booking with Teams Schedule assistant, so we configured the calendar sharing policy under organizational relationship on both end, however, it seems still not working. is there anything we should setup specifically?

Many Thanks~!

Jaden

Microsoft 365 and Office | Install, redeem, activate | For business | Other

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Anonymous
2025-07-10T09:39:34+00:00

Hi Administrator Jaden,

If you think my reply is helpful, could you please use the feedback tool to send feedback for us and mark this as answer?

Because other users will also search information in this community. Your valuable vote will definitely also help other users who have similar queries easily to find the correct channel and useful information more quickly.

Greatly Appreciate again for your patience and understanding.

I wish you keep safe and wish you all the best in year 2025 as well!

Sincerely,  
Jeanie-H - MSFT | Microsoft Community Support Specialist.

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  1. Anonymous
    2025-07-10T08:41:15+00:00

    Thanks， Jeanie！

    i have followed your instruction and its now sync and working!

    really appreciated that.

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  2. Anonymous
    2025-07-10T06:23:03+00:00

    Hi Administrator Jaden, 

    Thank you for reaching out to us. I'm glad to help you! 

    First, as I understand it, your issue is that you can't see the busy/free status of users across two tenants when using the Teams Scheduling Assistant, even though you've configured calendar sharing policies. 

    You mentioned: "we configured the calendar sharing policy under organizational relationship on both end." Does this mean you've set up both tenants in Exchange admin center > Organization > Sharing, correctly? 

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     Image

    To check if it's working, could you please help me try the following steps? 

    1. Log in to OWA (Outlook Web App) with a user account in Tenant A.
    2. Create a new calendar appointment.
    3. Invite a user from Tenant B using their full email address.

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    1. Check the Scheduling Assistant in OWA to see the busy/free status of the user from Tenant B.
    2. Repeat this process in Tenant B to test the other way around (log in with a Tenant B user account and invite a Tenant A user).

    Image

    Or you can log in to Teams, create a new meeting or edit an existing meeting.

    • In the "Add required attendees" or "Add optional attendees" field, type the full email address of a user from the partner tenant.
    • Switch to the "Scheduling Assistant" tab.
    • Check if you can see the busy/free status of the user from the other tenant.

    I found two articles from Microsoft related to this issue, you can refer to them.

    Organization relationships in Exchange Online | Microsoft Learn

    Create an organization relationship in Exchange Online | Microsoft Learn

    Please let me know if you can see the other tenant's user calendar. If you can, then it means it's working! Please understand that our initial response may not always resolve the issue right away. But with your help and a bit more detail, I'll try my best to help you.

    Looking forward to your reply!

    Sincerely,  
    Jeanie-H - MSFT | Microsoft Community Support Specialist.

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