All keys used by Activation Server 6 are unique and have the same format.
dO8uc-G1iC9-jOGeA-BqgEX-U71lD-0V1VX
There are 6 blocks each with 5 characters. The blocks are separated by a hyphen for better readability.
An Activation Key is used to change an existing license, e.g. to
•prolong a trial version
•add more users for a network license
•enable an additional module
Although a Serial Number is technically also an Activation Key, only a Serial Number can be used for a product activation.
Each Activation Key can be used once (default) but the Maximum Key / ID usage can be changed. This allows to use one Activation Key on multiple machines.
In the moment, an Activation Key is used, also a Transaction is recorded. An Activation Key can have one or more Transactions: