I've restarted prod EP and it can find his IP number
[Thr 3860] * ERROR partner not reached (host xxxxxxxxxx, service sapgw22)
[Thr 3860] *
TIME Tue Oct 17 13:34:53 2006
[Thr 3860] * RELEASE 640
[Thr 3860] * COMPONENT NI (network interface)
[Thr 3860] * VERSION 37
[Thr 3860] * RC -10
[Thr 3860] * MODULE nixxi_r.cpp
[Thr 3860] * LINE 8663
[Thr 3860] * DETAIL NiPConnect2
[Thr 3860] * SYSTEM CALL SiPeekPendConn
[Thr 3860] * ERRNO 10061
[Thr 3860] * ERRNO TEXT WSAECONNREFUSED: Connection refused
[Thr 3860] * COUNTER 1
[Thr 3860] *
xxxxxx is IP of EP