It is highly recommended that you plan for the new SignUp Server to have the same hostname as the old one. Changing the name of the SignUp server may require changes to every affected SignUp client. On systems older than 8.0, you may also need to re-use the IP address for the new server.
To replace your server with a new one, follow these steps:
Once complete, the new SignUp Server should resume operation, and your clients should be able to login or create reservations immediately.