25,081 questions
Error Authorization_RequestDenied when call graphServiceClient.Me.Request().GetAsync().Result after login from Microsoft
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EDA_横山
20
Reputation points
In Azure portal select Users > Add new user by "Invite external user"
After new user added, user can login to my App Service from Microsoft login, but when I use GraphServiceClient send request to get Me data, I take bellow error
Code: Authorization_RequestDenied
Message: Insufficient privileges to complete the operation.
What can I do to fix this error?
Microsoft Security Microsoft Entra Microsoft Entra ID
{count} votes
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![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(217.60000000000002, 51%, 31%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EBS%3C/text%3E%3C/svg%3E)
Bandela Siri Chandana 3,055 Reputation points Microsoft External Staff Moderator2025-06-23T10:06:27.1966667+00:00 Hi @EDA_横山
I understand that you have added a new user and can login to your App Service from Microsoft login, but when you are using "GraphServiceClient send request to get Me data", you are encountering an error "Insufficient privileges to complete the operation".This error typically occurs because the user or app doesn't have sufficient permissions. To call Graph APIs, your app registration must have the following permissions:
This error typically occurs because the user or app doesn't have sufficient permissions. To call Graph APIs, your app registration must have the following permissions:
- The appropriate Microsoft Entra RBAC role for the required access level. For more information, see Microsoft Entra built-in roles.
- The necessary API permissions to access Microsoft Graph.
Follow the below steps to troubleshoot Microsoft Graph API by using Postman:
Step 1: Assign Microsoft Entra RBAC role to the app registration (Service Principal)
Step 2: Locate the application ID, client secret, and token endpoints of your app
Step 3: Configure Postman
Step 4: Test and troubleshoot the Microsoft Graph API
Follow the document for more information: https://learn.microsoft.com/en-us/troubleshoot/entra/entra-id/app-integration/troubleshoot-authorization-requestdenied-graph-api?source=recommendations
Hope this helps. Do let us know for further queries. -
Bandela Siri Chandana 3,055 Reputation points Microsoft External Staff Moderator
2025-06-24T08:53:42.9033333+00:00 Hi @EDA_横山
Just checking in to see if above information was helpful. If you have any further updates on this issue, please feel free to post back. -
EDA_横山 20 Reputation points
2025-06-25T01:41:27.9366667+00:00 I just get error when login with external (guest) user. When I login with member user, this code run success.
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Bandela Siri Chandana 3,055 Reputation points Microsoft External Staff Moderator
2025-06-25T12:25:32.9333333+00:00 Hi @EDA_横山
Can you please confirm whether you are trying to add user into the group? and also please share the code you are using.
Follow the document for more information: https://learn.microsoft.com/en-us/troubleshoot/entra/entra-id/users-groups-entra-apis/authorization-requestdenied-403-error-add-user-group?source=recommendations
Hope this helps. Do let us know for further queries. -
Bandela Siri Chandana 3,055 Reputation points Microsoft External Staff Moderator
2025-06-26T08:40:46.7233333+00:00 Hi @EDA_横山
Just checking in to see if above information was helpful. If you have any further updates on this issue, please feel free to post back.
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