Error 'Unknown user' when entering admin credentials in WebMonitor Author: Luis Fernandes July 12, 2020 21:17 AnswerPROBLEM When entering the administrator username for the admin credentials, the error 'Unknown user <username> will be displayed upon clicking next. ENVIRONMENT GFI WebMonitor Microsoft Active Directory environments SOLUTION Enter the administrator credentials in the format domain\username. CAUSE GFI WebMonitor will look for a local user, if domain name is not explicitly entered.