I am working in a SharePoint 2016 environment with Nintex 2016. I have credentials for an account with full control that are being used in a web service call but get 401 UNAUTHORIZED as the response. What is the minimum permission level required for the credentials to be able to run a web service call? Are there different permission levels required for different web service calls?
Best answer by cdsommerfield
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+9
I think it really depends what you're trying to do. For the most part, I would say the user would need to be at least a Site Collection Admin; but, if you're trying to use a web service to say, update user profile service, then that user would need to be added to the web application as an administrator.
+12
As Chadd Sommerfield stated, it does really depend on what you are trying to do, but also where the service lives. If you have a service deployed at your root, can all your users get to it? Have you tried to call the service through Fiddler - Free Web Debugging Proxy - Telerik or Postman | API Development Environment ? This would let you prove out that it is specific (or not specific) to SharePoint.
Hope this helps!
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