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TNS-00011:

INTCTL: error while starting the Connection Manager
Cause: The Connection Manager could not be started.
Action: Assure that the executable can be found in the standard Oracle executable area. Check the configuration file INTCHG.ORA for errors and confirm that no other process is using the ADDRESS(es) for this Connection Manager as specified in TNSNET.ORA. Tracing can also be turned on in the Connection Manager and detailed information about the reason for the error determined. Consult the MultiProtocol Interchange Administrator's Guide and Chapter 2 of this manual for how to turn on tracing.