The Topology Split Manager can operate in one of two modes: normal mode or trial learning mode. The value of the IsTrialLearningEnabled configuration parameter determines the operating mode:
When IsTrialLearningEnabled is FALSE (default), the Topology Split Manager runs in normal mode and creates a single topology split when topology split is invoked.
When IsTrialLearningEnabled is TRUE, the Topology Split Manager runs in trial learning mode and creates multiple topology splits when topology split is invoked.
Trial learning mode is described in “Trial learning mode” on page 20.