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SBM can be used to configure different sets of port bindings for a server instance. A system property on the SBM controls which named set (for example, ports-default, ports-01) is used by a particular server instance. If you want to run multiple server instances on the same system then you can configure the SBM on each instance to use a different named binding set. You can even use SBM to switch to a different binding set (for example, 8180 port for HTTP instead of the default 8080) for a server instance.