54 CHAPTER 2: P RODUCT ACTIVATIONWhat product number is right for me?If you have not previously purchased 3Com Network SupervisorAdvanced Package v2.0, you must order 3Com Network Director productnumber 3C15500 from your reseller.If you have previously purchased 3Com Network Supervisor AdvancedPackage v2.0 and want to keep using this software on a differentworkstation from 3Com Network Director then you must order 3ComNetwork Director product number 3C15500 from your reseller.If you have previously purchased 3Com Network Supervisor AdvancedPackage v2.0 and no longer want to use this software, you can order3Com Network Director product number 3C15500U from your reseller.If you want to install the 3Com Network Director upgrade from 3ComNetwork Supervisor Advanced Package v2.0 on a different workstation,refer to “I want to install my upgrade from 3Com Network SupervisorAdvanced Package v2.0 to 3Com Network Director on a differentworkstation.” on page 55.Key Considerations The following section contains troubleshooting information whenactivating 3Com Network Director.What if I lose my Activation Key after registration?You can re-register your copy of 3Com Network Director to obtain youractivation key again. You will also receive an e-mail confirmation of youractivation key.When you are re-registering the product, it is very important to enterexactly the same user and product information during the originalregistration. This includes the username, product number, serial number,and license key. Entering different information may result in theregistration begin rejected.How do I move my copy of 3Com Network Director to anotherworkstation?If you need to move 3Com Network Director to another computer, youmust contact 3Com Customer Support to revoke the existing activationkey. The activation key will only work with the correct combination oflicense key (to identify the software) and serial number (to identify the