The Host ID is actually the physical address, also known as the MAC address, of one of the hardware components of the machine. It is most commonly a 12-digit alphanumeric string. The Host ID (or hostid) of a computer is the unique identifier used by the ENVI and IDL licensing software to tie a license to a particular computer. It is often a human-readable nickname that corresponds to the IP Address of the computer. The Host Name (or hostname) of a computer is a label assigned to the machine that is designed to distinguish it from other devices connected to a network. If ENVI or IDL is not yet installed on the computer, please scroll down to view some common methods for finding this information without the use of our software. This is the recommended method for obtaining the Host Name and Host ID information.
If ENVI or IDL is already installed on the computer, our software can be used to obtain this information by following the instructions below. This help article discusses some common methods for obtaining this information from the computer. When creating a new license file via the web licensing portal, users are asked to input the Host Name and Host ID of the computer being licensed. THIS INFORMATION ONLY PERTAINS TO SOFTWARE VERSIONS IDL 8.5, ENVI 5.3 AND PRIOR
