After a fresh installation of the Symantec Management Platform (SMP), the icons from the Top Level Navigation Menu within SMP Console are missing and are replaced with a Red Cross.
Due to an IIS Permissions issue the creation of the virtual directories for the Icons,Images,Images7 and Include folders, which contain all of the images for the SMP Console were not created in IIS (The physical files did exist within Install Dir\Program Files\Altiris\Notification Server\RootWeb
You have to manually create the missing IIS Virtual Directories by doing the following:
1) Open Internet Information Services (IIS) Manager and expand the Server name -> Sites -> Default Web Site
2) Right mouse click on "Altiris" and then select "Add Virtual Directory..."
3) In the "Add Virtual Directory" prompt configure the following settings:
Physical Path: InstallDir:\Program Files\Altiris\Notification Server\RootWeb\Icons
Physical Path: InstallDir:\Program Files\Altiris\Notification Server\RootWeb\Images
Physical Path: InstallDir:\Program Files\Altiris\Notification Server\RootWeb\Images7
Physical Path: InstallDir:\Program Files\Altiris\Notification Server\RootWeb\Includes
Note: You will need to repeat steps 1 & 2 for each of the above entiries
4) Restart IIS and then launch the Symantec Management Console and confirm that the icons now appear correctly