› Forums › MyID knowledge base › MY0198 Web Services Error Code 890551 This topic is empty. Viewing 1 post (of 1 total) Author Posts 18th February 2020 at 11:04 am #2208 MyID SupportKeymaster Error Code 890551 Text The machine specified has not been registered. Details A workstation can only receive an Attested Device Identity if it has been registered beforehand. This workstation has not been registered. Solution The workstation may have changed its DNS entry or ID since last being registered. Workstations can be registered via the Register Credential workflow. Relates To Credential Issuance Author Posts Viewing 1 post (of 1 total) The forum ‘MyID knowledge base’ is closed to new topics and replies.