OAuth Token of type 'Client Credentials' generates 'User Not Authenticated' in Inbound web service callDescriptionMaking a call to the instance to obtain OAuth token of Grant Type client_credential and passing client id and client secret to the OAuth endpoint https://<instance_name>.service-now.com/oauth_token.do successfully generates an Access Token. However, using this token in the Authorization header in the subsequent call to access a resource in the ServiceNow instance generates the error: "Required to provide Auth information""User Not Authenticated"Release or EnvironmentApplicable to any releaseCauseThe OAuth Access token that is generated when the grant type is client_credential is associated with the 'guest' user. This can be verified by checking the 'oauth_credential' table for 'Token' and 'User'. For the OAuth Authorization to work the token should be associated with a User on the instance and not to the guest user. ResolutionClient credential grant type is not applicable for Inbound OAuth Authentication to ServiceNow. Please use one of the below default Grant Types: 1)Resource Owner Password Credentials 2)Authorization Code