While successfully retrieving group information from a Public Group Mailbox using Microsoft Graph API, encountering a 403 error when attempting to retrieve conversations/threads within the group, seeking assistance to resolve the access issue.

Shankar Vijey Prabakar 0 Reputation points
2024-01-17T14:41:29.6766667+00:00

Hi, I am working on a task to retrieve mail content from a Public Group Mail Box. I am able to get the group information but not the conversations/threads i.e. mails inside the group. I am getting 403 Error. The below permissions were delegated. Can anyone help me out to resolve this issue? User's image

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. Andy David - MVP 152.3K Reputation points MVP
    2024-01-17T16:49:50.2233333+00:00

    Do you have owner or member rights to that group? Does it work with application perms for Group.Read.All


  2. Andy David - MVP 152.3K Reputation points MVP
    2024-01-17T18:23:52.1733333+00:00

    Works here with Group.ReadWrite.All delegated GET https://graph.microsoft.com/v1.0/groups/<group ID>/threads


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