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Server slots

Understand server slots and how they allocate machine resources to individual servers.
Read time 1 minuteLast updated 2 months ago

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We are winding down our direct support for the Unity Multiplay Game Server Hosting Service. Unity will support the Multiplay Game Server Hosting Service through March 31, 2026. To ensure continuity for live titles, we are licensing our Multiplay Game Server Hosting software to Rocket Science Group. Learn more about them here.
Server slots are logical segments of machine resources (CPU and RAM) loosely reserved for instances of a build executable process. Multiplay Hosting uses the server density to calculate the number of server slots during the machine provisioning process. The exact resources allocated per server slot depend on the server density you define in the fleet. By default, Multiplay Hosting allows build executable processes to exceed the allocated resources of its server slot by a small margin of tolerance. If the process exceeds this margin of tolerance consistently, Multiplay Hosting considers the server as misbehaving.