For more information, see the Installing HPCA Core Server chapter in the HP Client Automation Enterprise Installation and Upgrade Guide.
http://www.microsoft.com/downloads
To determine which version of the .NET Framework is present on the reference machine, list the folders in the following directory:
%SYSTEMROOT%/Microsoft.NET/Framework
Make sure that enough free disk space exists on the Core server so that the OS image upload can be successfully completed.
If you have customized the winpe.wim image file, set the size of the boot partition to double of the size of your winpe.wim file. For example, if the size of the winpe.wim file is 200 MB, set the size of the boot partition to a minimum of 400 MB.