API Error: The Authentication Header Received was ‘Negotiate,NTLM’

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Issue

If you are using XMPro API or any XMPro modules which use API, for example, XMMobile, Business Activity Monitor,  etc., and you receive the following error while trying to log in:

The HTTP request is unauthorized with client authentication scheme 'Anonymous'. The authentication header received from the server was 'Negotiate,NTLM'

Resolution

The possible cause for this problem could be that Anonymous authentication is not enabled on services folder of XMWorkspace.

Please enable Anonymous authentication as shown below:

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