When an operator client is connected to an older version (than itself) of the (Enterprise) Management Server, it will run in compatibility mode.
1. An operator client cannot connect to a newer (Enterprise) Management Server: the Operator Client needs be of a higher version than the (Enterprise) Management Server. 2. The compatibility in an Enterprise system is determined by the version of the Management Server of the Subsystem and the Operator Client. In production systems it is not recommended to use versions which are released more than two years apart.
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