Hello there,
As Windows Server system itself, I am afraid that there is no such mechanism for capping hardware usage.
The capacity planning for Host Integration Server, SNA Gateway needs to take into consideration several factors. They can be divided into four areas; total number of sessions, server load, fault tolerance and deployment model. https://learn.microsoft.com/en-us/host-integration-server/core/total-number-of-sessions
Some useful article links that might throw some insights are listed below
Hope this resolves your Query !!
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