If you purchase a corporate license, you will need to purchase an LMP (Licensed Media Pack)
Corporate Licenses will start with the following prefixes:
Depending on your product and version, the number may be different.
Your Product Serial Number is a corporate serial number which when purchased, should have come with a License Media Pack (CD Installers for the program). Corporate serial numbers are only designed to work with the disc installer (License Media Pack) and do not require activation process. This type of serial number will not work on a retail DVD, downloaded (ESD), or trial version.
You would need to contact the reseller or vendor where you purchased the product and ask for a License Media Pack or media DVD for your software.