3539501 - RFC Server not working properly after upgrade from DS 4.2 to 4.3 - SAP Data Services

• RFC Server not working properly after upgrade from DS 4.2 to 4.3
• In DSMC, RFC Server Interface is running Green. But test connection with t-code SM59 is failed in BW system(which is used in RFC Server Interface).
• Error message in BW with SM59: 
  

  Error when opening an RFC connection (CPIC-CALL: 'ThSAPOCMINIT' : cmRc=27 thRc=677

  LOCATION    SAP-Gateway on host <gwhost> / <gwservice>
  ERROR       timeout during allocate of registered program
  TIME        TXXXXX
  RELEASE     XXX
  COMPONENT   SAP-Gateway
  VERSION     X
  RC          XXX
  MODULE      gwr3cpic.c
  LINE        XXX
  DETAIL      TP <programID> init/busy for more than 60 sec
  COUNTER     XXX

• SAP Data Services 4.3
• BW

DS, RFC Server Interface, SM59, timeout, registered program, init/busy, 60 sec , KBA , EIM-DS-SAP , SAP Interfaces , Problem