How Do I Limit the Number of Requests that Magic xpa Will Handle Simultaneously? (Magic xpa 4.x)

The number of threads that the Enterprise server can handle at one time is limited according to which license you are using. You can limit this number, however, by setting the Maximum number of concurrent requests parameter in Settings->Environment->Server. The number of threads that the engine will use is limited to the minimum between the thread limit (according to the license) and the value that is written here.

A zero entry means that the number of threads will be limited only by the license limit.