nco_p_ncpmonitor or ncp_g_event process will not start

Symptom

The two process fail to connect to the Object Server.

The nco_p_ncpmonitor.<domain>.log/trace debugs messages were:

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Information: I-MOM-001-001: [1t] nco_p_ncpmonitor[15138876] Version 3.9 (Build 32) on aix5 becoming Primary
Debug: D-MOM-001-011: [1t] Removed timer: 317e40c0
Error: E-UNK-000-000: Server 'NCOMS': No error
Error: E-UNK-000-000: ct_connect(): protocol specific layer: external error: The attempt to connect to the server failed.
Debug: D-UNK-000-000: Failed to connect to 'NCOMS'.
Debug: D-UNK-000-000: Primary server connection has failed, trying backup ''.
Debug: D-UNK-000-000: Attempting a connection to server ''.
Error: E-UNK-000-000: ct_connect(): directory service layer: internal directory control layer error: Requested server name not found.
Debug: D-UNK-000-000: Failed to connect to ''.
Debug: D-UNK-000-000: Automatic SAF disabled. Connection to server 'NCOMS' has failed.
Error: E-UNK-000-000: Failed to make a connection to server 'NCOMS'.
Error: E-UNK-000-000: Failed to connect to all required ObjectServers.
Information: I-UNK-000-000: Falling back to previous rules file.
Warning: W-RIV-002-128: [2057t] CMonitorProbe.cc(524) general failure Not connected to ObjectServer NCOMS
Error reading probe configuration. Please check:
- the nco_p_ncpmonitor.* config files are valid and accessible
- the interfaces.<platform> file is accessible, and contains an entry for your chosen Object Server
- write permissions for the probe log file (determined by the MessageLog property or -messagelog cmd line arg)

The ncp_g_event.<domain>.log messages were:
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Information: I-NCO-001-010: [2057t] Setting IDUC flush interval to 5 seconds
Error: E-UNK-053-003: OpenClient (Layer = 4, Origin = 1, Severity = 4, Number = 44) - ct_connect(): protocol specific layer: external error: The attempt to connect to the server failed.
Fatal: F-RIV-002-208: [2057t] CGwEventMgr.cc(236) Exit function called Failed to connect to the Object Server
Fatal: F-RIV-002-208: [3856t] CNcoConnection.cc(757) Exit function called Unable to connect reader to Object Server: NCOMS
Information: I-MOM-001-047: [1t] Terminating message broker session...
Information: I-MOM-001-018: [1t] Message broker session terminated
Information: I-VER-001-003: [1t] ncp_g_event shutting down