2281739 - Diagnostics Agent does not start due to ERROR => Cannot connect to parent process - Solution Manager 7.1 and 7.2

• Diagnostics Agent does not start on a server where multiple Web Dispatchers are installed.
• Error found in the dev_smdagent log of the Diagnostics Agent:

  [Thr 29892] MtxInit: 10000 0 2
F  [Thr 29892] *** ERROR => SfEStartupError: SfCControlClient::SfCControlClient: NiBufReceive failed (rc = -6 NIECONN_BROKEN  [sfxxcli.hpp  332]
F  [Thr 29892] *** ERROR => Operation failed: SfEStartupError: NiBufReceive failed (rc = -6 NIECONN_BROKEN
 [sfxxmain.cpp 1173]
F  
F  ********************************************************************************
F  *** ERROR => Cannot connect to parent process.
F  ***
F  *** Please see section 'Java process initialization issues'
F  *** in SAP Note 1316652 for additional information and trouble shooting advice.
F  ********************************************************************************
F  
F  [Thr 29892] *** LOG => exiting (exitcode -21001, retcode 2).

• Solution Manager 7.1
• Solution Manager 7.2
• Windows Server (other OSs can also be impacted) on which the Diagnostics Agent is installed.

Diagnostics Agent port, DA, Web Dispatcher, Port, WD, Process, Solution Manager 7.1, NIECONN_BROKEN, Cannot connect to parent process, exiting, exitcode -21001, retcode 2 65000 , KBA , SV-SMG-DIA-SRV-AGT , Agent Framework , Problem