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Here's the error I get while trying to get the access token.
{ "error": "invalid_grant", "error_description": "AADSTS70002: Error validating credentials. AADSTS50126: Invalid username or password\r\nTrace ID: a34fb8ab-1026-4120-9d50-623a848b1600\r\nCorrelation ID: cbe5596a-d438-4807-be82-36769aefafe7\r\nTimestamp: 2018-10-10 13:47:30Z", "error_codes": [70002, 50126], "timestamp": "2018-10-10 13:47:30Z", "trace_id": "a34fb8ab-1026-4120-9d50-623a848b1600", "correlation_id": "cbe5596a-d438-4807-be82-36769aefafe7" }
I'm using ASP.NET Core to embed the power bi report.
Here's my code for reference:
private static async Task<OAuthResult> AuthenticateAsync() { var oauthEndpoint = new Uri(AuthorityUrl); using (var client = new HttpClient()) { var result = await client.PostAsync(oauthEndpoint, new FormUrlEncodedContent(new[] { new KeyValuePair<string, string>("resource", ResourceUrl), new KeyValuePair<string, string>("client_id", ClientId), new KeyValuePair<string, string>("grant_type", "password"), new KeyValuePair<string, string>("username", Username), new KeyValuePair<string, string>("password", Password), new KeyValuePair<string, string>("scope", "openid"), })); var content = await result.Content.ReadAsStringAsync(); return JsonConvert.DeserializeObject<OAuthResult>(content); } } class OAuthResult { [JsonProperty("token_type")] public string TokenType { get; set; } [JsonProperty("scope")] public string Scope { get; set; } [JsonProperty("experies_in")] public int ExpiresIn { get; set; } [JsonProperty("ext_experies_in")] public int ExtExpiresIn { get; set; } [JsonProperty("experies_on")] public int ExpiresOn { get; set; } [JsonProperty("not_before")] public int NotBefore { get; set; } [JsonProperty("resource")] public Uri Resource { get; set; } [JsonProperty("access_token")] public string AccessToken { get; set; } [JsonProperty("refresh_token")] public string RefreshToken { get; set; } }
I'm using the same username and password and the same client ID for my MVC application and I get the token.
Are you using a Azure AD application which is registered as a Native client as opposed to Web app / API. The Native client is the only type of that supports the Password credential flow. This might not be the issue but I thought I would call it out just in case.
Yes I'm using an Azure AD app registration of type "Native" in this case. Also, I'm using .NET Core 2.0 app.
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