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This parameter determines the maximum number of (simultaneous) open connections in the ICM or in the SAP Web dispatcher.


Work area

Internet Communication Manager, SAP Web Dispatcher


Integer value

Standard value


Dynamically changeable


Value Range and Syntax

You can set values between 10 and 32000.


The parameter value can be greater than icm/max_threads, as inactive connections require no thread in the ICM.


The maximum number of sockets that one process can open is restricted by the parameter icm/max_sockets and ultimately by the operating system. This also restricts the value of icm/max_conn.

Each open ICM connection needs at least one socket. The SAP Web Dispatcher needs two sockets for one connection.