HI .
Iam facing the below error while doing the EHP4 upgrade , in downtime phase.
Checks after phase MAIN_SWITCH/STARTSAP_TRANS were negative!
Last error code set: RFC call to subst_get_uvers failed with key RFC_ERROR_COMMUNICATION (open): SAP_CMINIT3 : rc=20 >
Connect to SAP gateway failed Connect_PM GWHOST=Hydhtc4526D, GWSERV=sapgw04, SYSNR=04 LOCATION CPIC (TCP/IP) on local host with Unicode ERROR partner '10.136.162.30:3304' not reached TIME Mon Jun 06 18:17:46 2011 RELEASE 720 COMPONENT NI (network interface) VERSION 40 RC -10 MODULE nixxi.cpp LINE 3286 DETAIL NiPConnect2: 10.136.162.30:3304 SYSTEM CALL connect ERRNO 10061 ERRNO TEXT WSAECONNREFUSED: Connection refused COUNTER System start failed
Please help me in resolving this error.
Sanketh.