I'm glad that you were able to resolve your issue and thank you for posting your findings so that others experiencing the same thing can easily reference this! Since the Microsoft Q&A community has a policy that "The question author cannot accept their own answer. They can only accept answers by others ", I'll repost your solution in case you'd like to accept the answer .
Error Message:
- "Invoking Web Activity failed with HttpStatusCode - '401: Unauthorized', message - 'Client request has not been completed because it lacks valid authentication credentials for the requested endpoint(url)."
Issue:
- While trying to API data using Web Activity in ADF, experiencing above error. Even test from Postman fails with same error message.
Solution:
- Looks like the bearer token generated isn't valid which is why resulting in unauthorized error.
- To generate the bearer token, we use a service principal and it details along with scope for which the bearer token is for. Hence we need ensure these two details are entered correct in the body section of the POST request from ADF Web activity.
- As per the OP of the post, ensuring the correct scope is configured resolved the issue.
If I missed anything please let me know and I'd be happy to add it to my answer, or feel free to comment below with any additional information.
I hope this information helps other readers of this post.
If you have any other questions, please let me know. Thank you again for your time and patience throughout this issue.
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for "was this answer helpful" wherever the information provided helps you, this can be beneficial to other community members.93-7390-4edf-a2e5-81369cee7715)