This option determines what method of registration is used for people wishing to join your forum. You can select from:
Registration Disabled:
Disables the registration process, which means that no new members can register to join your forum.
Immediate Registration
New members can login and post immediately after registering on your forum.
Member Activation
When this option is enabled any members registering to the forum will have a activation link emailed to them which they must click before they can become full members
Member Approval
This option will make it so all new members registering to your forum will need to be approved by the admin before they become members.