Unauthorized access when trying to access PowerBI API with ClientCredentials

[visuresh]

I am getting the token using the below code:

string signedInUserID = ClaimsPrincipal.Current.FindFirst(ClaimTypes.NameIdentifier).Value;
string tenantID = ClaimsPrincipal.Current.FindFirst("http://schemas.microsoft.com/identity/claims/tenantid").Value;

ClientCredential clientcred = new ClientCredential(clientId, appKey);

AuthenticationContext authenticationContext = new AuthenticationContext(aadInstance + tenantID, new ADALTokenCache(signedInUserID));
AuthenticationResult authenticationResult = null;

authenticationResult = await authenticationContext.AcquireTokenAsync(ResourceURL, clientcred).ConfigureAwait(false);

I get a valid token but when I try to call the rest API using https://analysis.windows.net/powerbi/api to refresh the dataset I get Unauthorized access. I call this from a Azure web app and it has permissions to Power BI.

[V-lianl-msft]

Hi @visuresh ,

403 or 401? 

Make sure that the app that you registered with AAD has the read-write all datasets permission. 

You could also check this document:

https://docs.microsoft.com/en-us/azure/active-directory/develop/authentication-vs-authorization#daem... 

Best Regards,
Liang
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