Dear
is your database is up
is all oracle services are up
is all user are unlocked
is message server connected or not
send all details
send me following log files for further assit
DEV_W0
dev_ms
dev+disp
check R3trans -d SID check the result it should be 00
check you hostfile entry
in sapinst.log file i cannot found any error only warnings are there
Regards