Oracle Message TNS-00024 - INTCTL: Unable to contact Navigator to obtain Connection Manager address

ERRORINTCTL: Unable to contact Navigator to obtain Connection Manager address
CAUSEThe Navigator is not running.
ACTIONVerify that the Navigator is running by doing a status request on the Navigator (use the Interchange Control Utility command STATUS). If necessaary, start the Navigator using the Interchange Control Utility. Verify that the network is properly configured; if the error persists, contact Worldwide Customer Support.