Please ensure the following:
1. The logged in user on the server is a member of the local Administrator group
2. Launch the JasperSoft installer with 'Run as Administrator'
3. You have to copy and extract the contents of the JasperSoft 6.3 DVD image to a hard drive on the server and then invoke the installer (cannot mount the DVD as a drive on the server)
Here is some additional information regarding the failed per-requisite checks
Triggered Directory Privileges - the user performing the installation has write permissions on the directory from which installer is executed
Triggered Directory Free Space - the directory from where the installation is triggered, has a minimum amount of free space (minimum space: 100 MB)