A Host ID is a unique identifier used to generate license files for MathWorks products.
For most installations, the recommended Host ID is the MAC address of a physical network adapter.
Refer to the following instructions to find a MAC address on your Operating System.
Windows
- Click on the Windows button and "R" key on your keyboard at the same time.
- A small "Run" window will appear. Edit the "Open" field and enter "cmd".
- Press "OK".
- The Windows Command Prompt will appear.
- Run the following command in the Windows Command Prompt,
- Review the list of network adapters.
- Locate the desired adapter and copy the value shown in the Physical Address column. Example: 00-12-3A-45-6B-7D
Use a physical network adapter whenever possible. Avoid virtual adapters created by VPN, virtualization, or other software.
Linux
- Open your system's Terminal application.
- Run the following command.
- Locate the desired network adapter.
- Copy the value shown after link/ether. Example: 00:12:3a:45:6b:7d
Use a physical network adapter whenever possible. Avoid virtual adapters created by VPN, virtualization, or other software.
macOS
- Open Finder.
- Go to Applications > Utilities.
- Open Terminal.
- Run the following command,
- Locate the desired network adapter.
- Copy the value shown after ether. Example: 00:12:3a:45:6b:7d
Use a physical network adapter whenever possible. Avoid virtual adapters created by VPN, virtualization, or other software.
If your environment requires a different Host ID type such as the IP Address or Volume Serial Number and you are unsure how to obtain it, reach out to MathWorks Installation Support. 
