I've been having some problems pushing out patches so I started monitoring the Agent logs and noticed the following failure appear quite often on several computers:
<event date="09/22/2015 15:16:07.4060000 -04:00" severity="2" hostName="COMPUTER7" source="Client Task Agent" module="client task agent.dll" process="AeXNSAgent.exe" pid="10000" thread="6096" tickCount="1142889314"><![CDATA[Could not register using "https://AltirisServer.Domain.com:443/Altiris/ClientTaskServer/Register.aspx"]]></event>
From here I checked the ClientTaskServer application in IIS and found that the physial path \Program Files\Altiris\Altiris Agent\Client Task Server\ServerWeb is missing the Register.aspx file mentioned in the event above.
Am I wrong in assuming the file should be there, and if I'm not how do I go about getting it back? I've also been seeing the below failure message that makes it sound like the Register.aspx file is in fact missing:
<event date="09/22/2015 15:16:07.4140000 -04:00" severity="1" hostName="COMPUTER7" source="NetworkOperation" module="AeXNetComms.dll" process="AeXNSAgent.exe" pid="10000" thread="6096" tickCount="1142889314"><![CDATA[Operation 'Head' failed.
Protocol: HTTP
Host: AltirisServer.Domain.com:80
Path: /Altiris/ClientTaskServer/Register.aspx
Http status: 403
Id: {0EAFBA10-92F2-4BBF-89C7-9574D70F8A07}
Error type: HTTP error
Error result: 0x80042D21
Error code: 0
Error note: HTTP status: 403 Forbidden. Empty response content received, the remote web server is down or URL is invalid
Error message: HTTP error occured]]></event>