Changing the ABAP Back-End System for the UME

Question

Hi,
I went through many forums; sap notes (943498, 764417, 943602, 940893, 810434) and at help.sap.com
(http://help.sap.com/saphelp_nw70/helpdata/en/9e/fdcf3d4f902d10e10000000a114084/frameset.htm)
I am not able to resolve the issue.
Problem: We already have SSO configured between Portal (EP7) and backend R/3 system (ECC 6) which is working fine. Scenario is that we have dual maintenance system going on. Now we want to move our SSO configuration for Portal to point to new R/3 system, which is exactly same except different server name (same SID, system #, using same ports on different servers). Here is the catch service file for both R/3 system have same service name and port number defined.
R/3 current: sapmsXXX    3601/tcp
R/3 new sys: sapmsXXX     3601/tcp
Will this be causing hte problem or could be something else.
Thank in advance for your inputs!!
Error from the dev_server0 file:
[Thr 172] Fri Mar 28 14:10:19 2008
[Thr 172] JHVM_RegisterNatives: registering methods in com.sap.mw.rfc.driver.CpicDriver
[Thr 172] Fri Mar 28 14:10:20 2008
[Thr 172] ***LOG Q0I=> NiPConnect2: connect (146: Connection refused) [nixxi.cpp 2770]
[Thr 172] *** ERROR => NiPConnect2: SiPeekPendConn failed for hdl 0 / sock 46
(SI_ECONN_REFUSE/146; I4; ST; 156.44.162.55:3601) [nixxi.cpp    2770]
[Thr 172] *** ERROR => MsIAttachEx: NiBufConnect to server.name/sapmsXXX failed (rc=NIECONN_REFUSED) [msxxi_mt.c   652]
[Thr 172] *** ERROR => LgIAttach: MsAttach (rc=NIECONN_REFUSED) [lgxx_mt.c    3980]
[Thr 172] *** ERROR => LgIGroupX: LgIAttach(rc=-101) [lgxx_mt.c    4284]
[Thr 172] *** ERROR => JRFC> Error jrfc_lg LgGroup failed(-101) [jrfclg_mt.c  344]
[Thr 172] *** ERROR =>       mshost: server.name, msserv: sapmsXXX, r_group: BASIS [jrfclg_mt.c  345]
[Thr 14] JLaunchIExitJava: exit hook is called (rc = -11113)
[Thr 14]
ERROR => The Java VM terminated with a non-zero exit code.
Please see SAP Note 943602 , section 'J2EE Engine exit codes
for additional information and trouble shooting.
[Thr 14] SigISetIgnoreAction : SIG_IGN for signal 18
[Thr 14] JLaunchCloseProgram: good bye (exitcode = -11113)

Answer 1

Hi Patel,
It seems that the portal cannot attach backend system via load balancing.
1- Can you access to port# 3601 on 156.44.162.55 via telnet, from your portal system?
2- Did you checked your firewall settings on both systems?
Best regards,