The client is unable to register with Task server while in Automation environment.
<![CDATA[Operaion 'Direct Head failed.
Protocol: HTTP
HOST: myhot.com:80
Path: /Altiris/TaskManagement/CTAgent.GetClientTaskServer.aspx
Connection Id: 5.1840
Communication profile Id: {85DAFFD4-8EEA-48A1-8Ff0-8DE681E7D6C}
Throttling: 0 0 0
Error type: HTTP error
Error code: HTTP status 401: the request requires user authentication (90x8FA101910)
Error note: Authentication faile, server refused to authenticate with provided credentials]]>
NOTE: this could also occur with HTTPS environments
DS 8.5
APPID credentials had changed making the old preboot environment not able to authenticate to the server.
Rebuild preboot environment.