24 CHAPTER 1: P RE-I NSTALLATION GUIDELINESLicense Keys For each server in a VCX configuration, you must obtain and install alicense key file for every server in a VCX single-site or multi-site system.The key enables the use of the software installed on each VCX type ofserver.CAUTION: Before you begin the configuration of the VCX server, youmust install a valid license key file. If you do not install the license key file,many software processes that are critical to the proper operation of theserver cannot start.Obtaining aLicenseKey FileEach license key in the file is uniquely tied to one server through amachine ID.To obtain the machine ID for any server, log in as root and enter thiscommand:vcx-showmachineidThe command returns a value similar to the following:SNAm-Fro7-vrJa-YKhH-H8az-db7QRequest a license from your 3Com Voice Authorized Reseller, who willsupply the license key that corresponds to the machine ID. For the samplemachine id shown above the license key filename would be:SNAm-Fro7-vrJa-YKhH-H8az-db7Q.activation,keySave the license key file in the /opt/installtemp directory.CAUTION: Do not edit this file. The activation key file content is signed. Ifyou edit this file, you will invalidate it.Installing aLicense FileInstalling a License Key FileTo install a license key, log on to the server as root and enter thefollowing commands:cd /opt/installtempvcx-licenseinstall <license key filename>These confirmation messages indicates that the license key has beensuccessfully installed.