When using the console to create the Cloud-enabled Management web site it fails to create the web site.

The console displays the error:

Configuration of IIS website for cloud-enabled management agent connections failed. See log for more details

The logs show:

Error executing Task '' (7cb74fc5-fd45-40a5-94e2-c7c88cdbf091). Exception: Altiris.NS.Exceptions.AeXException: Failed to add an application: 'Physical patch 'C:\Program Files\Altiris\Altiris Agent\Client Task Server\ServerWeb' for IIS application '/Altiris/ClientTaskServer' does not exists' ---> Altiris.NS.Exceptions.AeXException: Physical patch 'C:\Program Files\Altiris\Altiris Agent\Client Task Server\ServerWeb' for IIS application '/Altiris/ClientTaskServer' does not exists
at Altiris.NS.Utilities.AgentSite.AgentSiteApplication.AddApplication()
--- End of inner exception stack trace ---
at Altiris.NS.Utilities.AgentSite.AgentSiteApplication.AddApplication()
at Altiris.NS.Utilities.AgentSite.AgentSiteApplication.Execute()
at Altiris.NS.StandardItems.SiteManagement.AgentSiteCreateTask.CreateAgentSiteWebApplicationsFromXML(XmlNodeList productAgentWebNodes)
at Altiris.NS.StandardItems.SiteManagement.AgentSiteCreateTask.CreateAgentSiteWebApplicationsForSolutions()
at Altiris.NS.StandardItems.SiteManagement.AgentSiteCreateTask.ExecuteTask(Hashtable args, ItemTaskState state)
---------------------------------------------------
Date: 5/7/2014 5:09:20 PM, Tick Count: 70078706, Host Name: SMP-W2K8-01, Size: 1.35 KB
Process: AeXSvc (1552), Thread ID: 39, Module: AeXSVC.exe
Priority: 1, Source: Altiris.NS.StandardItems.SiteManagement.AgentSiteCreateTask.ExecuteTask
File: C:\ProgramData\Symantec\SMP\Logs\a.log

If the task service has been removed from the notification server you can't create the CEM website. 

Add the task service to the SMP server and you should be able to create the CEM website.  See screenshot.