In order to troubleshoot some issues with images downloading, it's possible to download netboot or system images from a NetBoot server manually. By default all images are stored in C:\pmmimages.
NOTE:This setting can be changed in the NetBoot Server Configuration Utility.
When the NetBoot server is configured properly you can download any image by using the link http://netbootserverIP/pmmimgages
Server Error '/' Application.
But occasionally you can see the following error in your web browser instead of the list with images:
Cause and Resolution
This error message appears when the Web.Config file is missed in C:\pmmimages folder. To restore the Web.Config file you need to run the NetBoot Server Configuration Utility and reconfigure it again.