Activation Server > Tutorial Activation Server > Part II - Installation and Configuration > Configure a Project > Project.config > List of available Parameters:
CheckEntries
A yes/no value that determines if the Entry Key is validated or not. If this option is turned off, the Entry Key can be used any times.
Default value: Yes
Page url: http://www.helpserver.biz/onlinehelp/lpmme/was/admin/3.0/help2000/index.html?wsconfig_checkentries.htm