Maximum instances per client (MAXINSTC)
This attribute specifies the maximum number of simultaneous instances of a server-connection channel that can be started from a single client.
This attribute can be set from zero through 999 999 999. A value of zero indicates that no client connections are allowed on this channel. The default value is 999 999 999.
If the value is reduced so that it is less than the number of instances of the server-connection channel that are currently running from individual clients, then the running channels are not affected. However, new instances from those clients are not able to start until sufficient existing ones have ceased to run.
This attribute is valid for server-connection channels only.