Unable to obtain free/busy time of calendar using Microsoft Graph API.

Shu, Boots 0 Reputation points
2023-12-05T02:33:17.0466667+00:00

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Error info:

{
    "error": {
        "code": "MailboxNotEnabledForRESTAPI",
        "message": "The mailbox is either inactive, soft-deleted, or is hosted on-premise.",
        "innerError": {
            "date": "2023-12-05T02:29:56",
            "request-id": "bb7c6b7e-2b8d-4ee3-836c-fa773f3c563d",
            "client-request-id": "bb7c6b7e-2b8d-4ee3-836c-fa773f3c563d"
        }
    }
}

How should I solve this error problem?

Microsoft Graph
Microsoft Graph
A Microsoft programmability model that exposes REST APIs and client libraries to access data on Microsoft 365 services.
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  1. CarlZhao-MSFT 39,906 Reputation points
    2023-12-05T07:26:31.6633333+00:00

    Hi @Shu, Boots

    This error means that the target user is missing an Office 365 license.

    Hope this helps.

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