2803745 - DirectConnect TRS Services returns (Security violation: Login denied) when trying to connect to the Mainframe

• Try to connect to a DirectConnect Transaction Service (TRS) Service Name using the Host ID and password.
• ISQL returns:
  Msg 34223, Level 11, State 0:
  Server 'ServerName':
  Security violation: Login denied (no login entry or incorrect password) Contact the DirectCONNECT administrator.
  Msg 30000, Level 16, State 0:
  Server 'DC151WINBG':
  Login failure. <SMR>
  CT-LIBRARY error:
  ct_connect(): protocol specific layer: external error: The attempt to connect to the server failed.
• DC Log Shows:
  LogClientLogin 05/13/2020 16:34:06.933 <servername> 15 <userid> isql Connection attempt... user: '<userid>' application: 'isql' service: '<servicename>'
  LogClientMessages 05/13/2020 16:34:06.942 <servername> NULL NULL NULL Error: 30000 Severity: 16 Login failure. <SMR>
  LogClientLogin 05/13/2020 16:34:06.942 <servicename> 15 <userid> isql ...Connection refused by service library 'TRSTCP'.
  
  

• DirectConnect for DB2 z/OS 15.0.1 (DC)

TRS Security  DCDB2 DCTRS , KBA , BC-SYB-MFC , Mainframe Connect (MFC) , Problem