Oracle Errors Question: Download Oracle Errors PDF
ORA-12520: TNS:listener could not find available handler for requested type of server?
Answer:
Cause: None of the known and available service handlers for
requested type of server (dedicated or shared) are
appropriate for the client connection.
Action: Run "lsnrctl services" to ensure that the
instance(s) have registered with the listener and that the
appropriate handlers are accepting connections.
requested type of server (dedicated or shared) are
appropriate for the client connection.
Action: Run "lsnrctl services" to ensure that the
instance(s) have registered with the listener and that the
appropriate handlers are accepting connections.
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