Unable to open rfc connection

Hi SAP Gurus,

We are currently installing SAP R3 4.7 to our hp unix Development
server and encountered an error. Please see error below: Please help
us.

Raul

PHASE 2005-08-24 09:44:26
Database load

PHASE 2005-08-24 09:44:27
Prepare SAP System Instance

PHASE 2005-08-24 09:44:27
Create a temporary license for SAP system

PHASE 2005-08-24 09:44:28
Adapt nametab

PHASE 2005-08-24 09:44:29
Prepare to start RSWBOINS, RADDBDIF

INFO 2005-08-24 09:44:30
Copying file /tmp/sapinst_instdir/R3E_472SR1_ABAP_UC/DB/keydb.xml
to: /tmp/sapinst_instdir/R3E_472SR1_ABAP_UC/DB/keydb.4.xml.

INFO 2005-08-24 09:44:30
Creating file /tmp/sapinst_instdir/R3E_472SR1_ABAP_UC/DB/keydb.4.xml.

INFO 2005-08-24 09:44:31
Working directory changed to /tmp/sapinst_exe.2843.1124847755.

INFO 2005-08-24 09:44:31
Working directory changed
to /tmp/sapinst_instdir/R3E_472SR1_ABAP_UC/DB.

***** Transaction begin
********************************************************

TRACE
Instance for SAP system module was created.

INFO 2005-08-24 09:44:31
RFC parameter CLIENT set to value 000.

INFO 2005-08-24 09:44:31
RFC parameter USER set to value DDIC.

INFO 2005-08-24 09:44:31
RFC parameter LCHECK set to value 1.

INFO 2005-08-24 09:44:31
RFC parameter PCS set to value 1.

INFO 2005-08-24 09:44:31
RFC parameter LANG set to value EN.

INFO 2005-08-24 09:44:31
RFC parameter ASHOST set to value rx2620.

INFO 2005-08-24 09:44:31
RFC parameter SYSNR set to value 00.

INFO 2005-08-24 09:44:31
RFC connection information checked successfully.

******************************************************** ERROR
STARTS HERE

ERROR 2005-08-24 09:44:31
FRF-00007 Unable to open RFC connection.

TRACE
Failed to open RFC connection

TRACE
Connect to SAP gateway failed
Connect_PM GWHOST=rx2620, GWSERV=sapgw00, ASHOST=rx2620, SYSNR=00

LOCATION CPIC (TCP/IP) on local host
ERROR partner not reached (host rx2620, service 3300)

TIME Wed Aug 24 09:44:31 2005
RELEASE 640
COMPONENT NI (network interface)
VERSION 37
RC -10
MODULE nixxi_r_mt.cpp
LINE 8588
DETAIL NiPConnect2
SYSTEM CALL SiPeekPendConn
ERRNO 239
ERRNO TEXT Connection refused
COUNTER 1
INFO 2005-08-24 09:44:31
RFC parameter CLIENT set to value 000.

INFO 2005-08-24 09:44:31
RFC parameter USER set to value DDIC.

INFO 2005-08-24 09:44:31
RFC parameter LCHECK set to value 1.

INFO 2005-08-24 09:44:31
RFC parameter PCS set to value 1.

INFO 2005-08-24 09:44:31
RFC parameter LANG set to value EN.

INFO 2005-08-24 09:44:31
RFC parameter ASHOST set to value rx2620.

INFO 2005-08-24 09:44:31
RFC parameter SYSNR set to value 00.

INFO 2005-08-24 09:44:31
RFC connection information checked successfully.

ERROR 2005-08-24 09:44:31
FRF-00007 Unable to open RFC connection.

TRACE
Failed to open RFC connection

TRACE
Connect to SAP gateway failed
Connect_PM GWHOST=rx2620, GWSERV=sapgw00, ASHOST=rx2620, SYSNR=00

LOCATION CPIC (TCP/IP) on local host
ERROR partner not reached (host rx2620, service 3300)

TIME Wed Aug 24 09:44:31 2005
RELEASE 640
COMPONENT NI (network interface)
VERSION 37
RC -10
MODULE nixxi_r_mt.cpp
LINE 8579
DETAIL NiPConnect2
SYSTEM CALL SiPeekPendConn
ERRNO 239
ERRNO TEXT Connection refused
COUNTER 2
ERROR 2005-08-24 09:44:31
FRF-00063 RFC logon failed with message: Connect to SAP gateway
failed
Connect_PM GWHOST=rx2620, GWSERV=sapgw00, ASHOST=rx2620, SYSNR=00

LOCATION CPIC (TCP/IP) on local host
ERROR partner not reached (host rx2620, service 3300)

TIME Wed Aug 24 09:44:31 2005
RELEASE 640
COMPONENT NI (network interface)
VERSION 37
RC -10
MODULE nixxi_r_mt.cpp
LINE 8579
DETAIL NiPConnect2
SYSTEM CALL SiPeekPendConn
ERRNO 239
ERRNO TEXT Connection refused
COUNTER 2
.

***** Transaction end
**********************************************************