503 errors trying to get ToDo lists

Raymond Camden 31 Reputation points
2020-11-03T22:22:42.747+00:00

When I try to get my ToDo lists, using this endpoint, https://graph.microsoft.com/v1.0/me/todo/lists, I get a 503 error

{
"error": {
"code": "UnknownError",
"message": "The service is unavailable.",
"innerError": {
"date": "2020-11-03T22:16:08",
"request-id": "046d52f9-304a-4f73-884e-e0fa737a92fa",
"client-request-id": "7f73ad15-7558-6a4c-0c64-0761fbb618ba"
}
}
}

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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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8 answers

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  1. Sebastian Klenke 1 Reputation point
    2021-02-28T21:35:11.127+00:00

    I have exactly the same issue. But I think my problem is that I want to use me office 365 Family account. As far as I know those accounts don't have an AAD integration. So I can't use MS Graph to query me todo list. When you use your office 365 account to create a new azure tenant you'll get a new account. It seems it's the same account but it's another. And this account hasn't sign up for "to do".

    Could anyone confirm my thoughts or have another idea? And is there an solution to use ms graph to implement custom stuff with "to do" by using an office 365 family account.

    BR Sebastian

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  2. sebi 1 Reputation point
    2021-02-17T21:47:27.27+00:00

    I am encountering the same issue
    But i may be facing Throttling issues

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  3. Sebastiano Bellinzis 11 Reputation points
    2021-01-01T19:36:54.143+00:00

    I am encountering the same issue on my end. I have an office365 linked to my account.

    503 Service Unavailable
    {
    "error": {
    "code": "UnknownError",
    "message": "The service is unavailable.",
    "innerError": {
    "date": "2021-01-01T19:24:55",
    "request-id": "57fc5eaa-2dd4-466a-af26-eb236c755629",
    "client-request-id": "57fc5eaa-2dd4-466a-af26-eb236c755629"
    }
    }
    }

    52821-image.png

    2 people found this answer helpful.
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  4. Bhakti Gaonkar 1 Reputation point
    2020-12-01T16:53:05.293+00:00

    @Raymond Camden , @Amar Patel

    Can you please share if it is MSA id or AAD id. The login screen showed the same email for both personal and AAD accounts.
    It would be helpful in debugging the issue if we have user ID. To retrieve User ID, please :
    a. Open Welcome to To Do (microsoft.com) on your Web app, then open To Do Settings in the top right corner.
    b. Select Copy Session ID.
    c. Paste your User ID


  5. Amar Patel 1 Reputation point
    2020-11-24T19:57:45.653+00:00

    I have the same error. I have Tasks.ReadWrite permissions setup.

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