If you plan to install on a Macintosh with a wireless network adapter, please report the hardware address for bothHow do I obtain a Hostid for installation license key?
For many license types in the COMSOL product family, your COMSOL sales representative will ask you for some
information in order to create installation codes. COMSOL uses the FlexNet Publisher licensing system to create
installation codes using the hostid and server name and possibly more information about your system. The server name
is the network name of the computer, which can be just a name, (e.g., bart), a fully qualified ip-name (bart.simpson.com)
or an ip-number (130.243.43.3). The hostid is the physical hardware number of the Ethernet Network Interface Card
(NIC). The hostid is sometimes called Ethernet address or MAC-address (Media Access Control address).
OBTAINING THE HOSTID ON WINDOWS
- Click the Start button. On XP: Click Run, on Vista: put the insertion point in the Start Search field.
- Type in cmd and press Return. The Command window will open.
- Type in ipconfig /all and press Enter.
- The FLEXnet hostid is the same as the "Physical Address".
- The server name is the same as the "Host Name". If your network administrators prefer to use a fixed IP address for
this particular machine, this IP Address could be optionally used in place of the Host Name.

To place the number in the clipboard: Right-click the text and select Mark in the menu, mark with the mouse and press
return. You can also type the command getmac /FO LIST /V | clip. Then press CTRL+V to paste the output in an
editor.
Hostid for PCs with wireless adapters
If you plan to install on a PC with a wireless network adapter, you should report the physical address of both the wireless
and the Ethernet adapter. If your sales representative asks you for the hard disk serial number instead of the hostid, type
vol at the Windows command line prompt (see picture above). The output will look like
Volume Serial Number is 2C9F-5930. Please send this number to COMSOL.
OBTAINING THE HOSTID ON MAC OS X
- Launch the application Network Utility found in the Applications/ Utilities folder.
- Select the Info tab on the left.
- Select Network Interface (en0) – this corresponds to your Ethernet card. Do not select Network Interface (fw0).
- The Hostid is the Hardware Address, see below, with the colons removed.

- If you plan to install on a Macintosh with a wireless network adapter, please report the hardware address for both
Network Interface (en0) and Network Interface (en1). These numbers should each consist of 12 characters. - To find the server name, open the application Terminal found in the Applications/Utilities folder.
- Type "hostname" (no quotes). This is the current host name of the Mac. This may or may not correspond to the IP
Address shown underneath the Hardware Address in the Network Utility, depending on where the Mac gets its IP
address and hostname. - Optionally, the server name is equal to the IP Address that corresponds to the hostname found from the "hostname"
command. Use the results of the "hostname" command and enter this host name into the "network address to ping"
field under the Ping tab of the Network Utility. Press the Ping button, and you'll see the IP address in parentheses after
the hostname you typed.
