Unable to use Microsft Graph API in c#

Question

I have used Microsoft Graph API for getting azure ad user list but getting error when getting user list as below.

A configuration issue is preventing authentication - check the error message from the server for details. You can modify the configuration in the application registration portal. See https://aka.ms/msal-net-invalid-client for details. Original exception: AADSTS7000215: Invalid client secret is provided.

But i have recreate client secret this is not worked i have used client secret which is used for login this is also not worked where i am wrong?

Answer 1

Hello @Navneet ,

Apologize for delayed response. I just wanted to see if you're still having issues, because it's been a while since your original post date.

I would recommend you to use Content-Type = application/x-www-form-urlencoded so that if there any special character in secret which won't be modifying during HTTP call also wondering were you able to use same in different tool like POSTMAN to testing authentication?

Reference: https://learn.microsoft.com/en-us/azure/active-directory/develop/v2-oauth2-client-creds-grant-flow#get-a-token

Hope this helps.

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