Understanding SQL*Net

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Common Sources of Error: Inactive Components

Before you can use a SQL*Net network, a transport layer protocol and an Oracle Protocol Adapter must be installed.

Be sure that you have started the listener for any server you intend to contact. For instructions on starting the listener using the Listener Control Utility, see Chapter 5, ``Using SQL*Net".

If you are making a connection across protocols using one or more Interchanges, the Interchanges must be started. For instructions on starting an Interchange using the Interchange Control Utility, see Chapter 6 in the Oracle MultiProtocol Interchange Administrator's Guide.

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