› Forums › MyID knowledge base › MY0112 Web Services Error Code 800538 This topic is empty. Viewing 1 post (of 1 total) Author Posts 17th February 2020 at 2:27 pm #2005 MyID SupportKeymaster Error Code 800538 Text Passphrase Logon is not allowed. Details An attempt to authenticate to MyID with passphrases whilst passphrase authentication is disabled. This attempt has been blocked. Solution Ask the user to authenticate with a device instead of passphrases Relates To Authentication Author Posts Viewing 1 post (of 1 total) The forum ‘MyID knowledge base’ is closed to new topics and replies.