How to Approve or Reject Join Requests
If you receive a request from another client to join your network, you can approve or reject that request. A request is automatically rejected if you do not approve it in two weeks.
Results:
Note: You may not be able to accept new members if your Hamachi subscription expires or if you reach the member limit of your network. See also Hamachi Network Types.
What to do next:
Tip: Are you on Linux? You can approve or reject requests from the command line with the following commands:
sudo hamachi approve <network ID> <client ID>
sudo hamachi reject <network ID> <client ID>