Microsoft graph API: Unable to fetch users with the generated access token

Question

I have registered the application in Azure portal and i have generated the client_secret. I require the client grant flow and i have given application permissions also. I have g

Answer 1

You could try following way:

Permission:

Make sure you have following permission:

Grant permission On Azure Portal:

Step:1

Select Application Permission On API permissions menu

Step:2

Select User.ReadWrite.All under Application Permission part But User.Read.All also alright.

Token Request Format:

URL:https://login.microsoftonline.com/YourTenant.onmicrosoft.com/oauth2/token

For V2.0 URL:https://login.microsoftonline.com/YourTenant.onmicrosoft.com/oauth2/v2.0/token

HTTP Verb: POST

grant_type:client_credentials
client_id:b603c7be-a866-4-e6921e61f925
client_secret:Vxf1SluKbguf3wE5oGl/2XDSeZ8wL/Yp8ns4sc=
resource:https://graph.microsoft.com

For V2.0 scope Will be : scope:https://graph.microsoft.com/.default

See the screen shot below:

Decode Token & Confirm permission:

You can use https://jwt.io/ to decode your token to make sure you have required permission: See the below screen shot:

Request For User List:

With your Token Request on this endpoint https://graph.microsoft.com/v1.0/users. See the screen shot below. I have successfully get all the user list.