Why am I getting ‘unauthorized’ errors?

This article is designed to help you understand, solve and prevent UNAUTHORIZED (HTTP 401) errors.

What causes these errors?

There are three different scenarios in which the UNAUTHORIZED (HTTP 401) errors can result:

1. The IP address the request is coming from hasn’t been added to the machine account
   
   
2. The property hasn’t been added to the machine account
   
   
3. The machine account credentials are incorrect

How can I resolve these errors?

You can resolve these kinds of errors by following this decision tree:

How can I do it?

To whitelist an IP address, follow these instructions.

To add a property to a machine account, follow these instructions.

To verify an authorization header, follow these instructions.

To reset the password for a machine account, follow these instructions.