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3011015 - Calling an RPC vis DC/TRS returns: Request rejected. No host connections are defined to the requested subsystem

Symptom

  • When trying to call a RPC via Directconnect (DC) Transaction Router Service (TRS) the following error appears in the client application:

     Msg 34256, Level 11, State 0:
    Server 'xxxxxx':
    Request rejected. No host connections are defined to the requested subsystem.
    Contact the DirectCONNECT administrator.

  • DC server log shows:

    LogClientLogin 01/08/2021 17:48:31.146877 m3xssl 8 <USER> isql Connection attempt... user: '<USER>' application: 'isql' service: '<TRS Service>'
    LogClientLogin 01/08/2021 17:48:31.147238 <TRS Service> 8 <USER> isql ...Connection successful. TDS Level [5.0], enum=[9]
    LogTRS 01/08/2021 17:48:55.537001 <TRS Service> 8 <USER> isql #34256 Request rejected. No host connections are defined to the requested subsystem. Contact the DirectCONNECT administrator.


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Environment

  • DirectConnect (DC) for z/OS 15.0.1

Product

SAP Sybase Mainframe Connect 15.0

Keywords

TRS DC sgw_addregion sgw_addrpc , KBA , BC-SYB-MFC , Mainframe Connect (MFC) , Problem

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