All calls to DQM for SAP RFC (XD01, BP, iDocs etc.), fail with error: "Exception COMMUNICATION_FAILURE raised during RFC, call GET_MATCH_CODES"
Error when Test Connection in SM59: "Connection Error
Error when opening an RFC Connection (CPIC-CALL: 'ThSAPOCMINIT' : cmRc=27 thRc=6
ERROR: timeout during allocate of registered program
LOCATION: SAP-Gateway on host <hostname/gw>
DETAIL: TP FLRFCSRV init/busy for more than 60 sec
RETURN CODE: 677