how do i make the same reserved server work between all normal servers?

this is a issue i cant find if the answer for so please help i have a lobby and it teleports you to the reserved game if you go into the portal but when the server starts it makes random reserved servers and i need to like one reserved servers across all normal servers

Instead of teleporting to a reserved servers, just teleport to a normal server. You can useTeleportService:Teleport() for this.