get 401 unauthorized error when calling web api c#

Auto-suggest helps you quickly narrow down your search results by suggesting possible matches as you type. Both sample Java code and Postman for /v1/groups work every time. I tried to enable Anonymous Authentication from IIS, but it doesn't work. Clearing the cache will remove any problems in those files and give the page an opportunity to download fresh files directly from the server. To call your API you should use the access_token instead of the id_token. The thing is there are screens with 4 to 10 custom controls calling Web API actions sometimes, and they don't always get the data. FastTrack Community |FastTrack Program|Finance and Operations TechTalks|Customer Engagement TechTalks|Upcoming TechTalks| All TechTalks, SBX - RBE Personalized Column Equal Content Card, We were recently getting the below error while trying to call Dynamics 365 Web API through Postman. You might want to take a Fiddler trace and see what is being passed between the client and server. rev2023.1.18.43174. "Access to Dynamics Dynamics 365 Online or on-premises (or later). Specify the credential that you want to authenticate using the following code: following line is the cause of this behaviour : Actually this line assigns the credentials of the logged in user or the user being impersonated ( which is only possible in web applications ) , so what I believe is that you have to provide credentials explicitly (http://msdn.microsoft.com/en-us/library/system.net.credentialcache(v=vs.110).aspx) , thanks. Then saw your post. Locally you'd be authorised just by being logged into your machine but that doesn't count when it's deployed to a server. My c# code is below and the exception appears on the last line of code. The second parameter is the scheme parameter. Look at the AuthenticationHeaderValue constructor you're calling: AuthenticationHeaderValue Constructor (System.Net.Http.Headers) | Microsoft Docs [ ^] The first parameter is the authentication scheme. 3.Then, review the authorizer's configuration and confirm that the following is true: The user pool ID matches the issuer of the token. Ryan Perian is a certified IT specialist who holds numerous IT certifications and has 12+ years' experience working in the IT industry support and management positions. Web servers running Microsoft IIS might give more information about the 401 Unauthorized error, such as the following: Logon failed. This application runs in Interanet (Windows Authentication) . Provide an answer or move on to the next question. Reply Radu Chiribelea responded on 14 Feb 2018 1:59 PM It was also fine when the web api was hosted in production and called from a dev asp.net app. Even tried manually adding the API access to the user from my dashboard, but I get the same 401. A 401 HTTP response indicates a problem with the authentication credentials used to make the API call. How can I translate the names of the Proto-Indo-European gods and goddesses into Latin? Wall shelves, hooks, other wall-mounted things, without drilling? FastTrack Community |FastTrack Program|Finance and Operations TechTalks|Customer Engagement TechTalks|Upcoming TechTalks| All TechTalks, https://msdn.microsoft.com/en-us/library/mt779074.aspx. In this article. First, I removed all the Oracle and JPA dependencies in its pom.xml.I also removed spring-security-oauth2 since it's not needed. How to automatically classify a sentence or text based on its context? What do I do if I receive a http 401 error in Zoom? I haven't got integrrated security = "true" anywhere. what's the difference between "the killing machine" and "the machine that's killing". You use the default windows credentials here. It looks like it is back today anyone else getting: Error retrieving data for urlhttps://.atlassian.net/rest/api/2/field: