Windows Server Essentials and HTTP Error 501.19
One of the issues I ran into this week involved Windows Server Essentials 2016, and the websites it creates as part of the Essentials role in IIS. All of which started returning an HTTP Error 501.19. This can also manifest as the connector software failing to connect, with the error "Cannot get information from 'servername'. Please contact your system administrator." Cannot get information from SERVER. This also coincided with WSUS being temporarily installed and removed from the server for unrelated testing....