Your RFC connection is failing and when you checked the gateway logging log file, below error entries keep generating.
S TP Thu Aug 16 2012 09:08:49:073 trace file reopened X Thu Aug 16 2012 09:08:49:073 gateway started, pid=3293 P Thu Aug 16 2012 09:08:49:073 gw/logging = ACTION=S LOGFILE=gw_log-%y-%m-%d SWITCHTF=day MAXSIZEKB=1024 S Thu Aug 16 2012 09:08:49:081 (re)load secinfo file /usr/sap/SID/SYS/global/secinfo, version=1 (1 entries) S Thu Aug 16 2012 09:08:49:081 USER=* USER-HOST=* HOST=* TP=* S Thu Aug 16 2012 09:08:49:082 (re)load reginfo file /usr/sap/SID/SYS/global/reginfo, version=1 (1 entries) S Thu Aug 16 2012 09:08:55:665 reginfo denied server: TP=xxx, HOST=xxxx (xxx) S Thu Aug 16 2012 09:08:59:634 reginfo denied server: TP=xxx, HOST=xxxx (xxx) S Thu Aug 16 2012 09:09:02:446 reginfo denied server: TP=xxx, HOST=xxxx (xxx) S Thu Aug 16 2012 09:09:22:300 reginfo denied server: TP=xxx, HOST=xxxx (xxx) S Thu Aug 16 2012 09:09:32:523 reginfo denied server: TP=xxx, HOST=xxxx (xxx)
Solution
1. Refer to invalid Permit/Deny in secinfo/reginfo line 1 detected & secinfo & reginfo Gateway Security Files.
2. If the security and registration are properly maintained, you will see the result as below,
S Thu Aug 16 2012 09:25:02:516 reginfo accepted server: TP=xxx, HOST=xx (xx) S Thu Aug 16 2012 09:25:02:596 reginfo accepted server: TP=xxx, HOST=xx (xx) S Thu Aug 16 2012 09:25:02:644 reginfo accepted server: TP=xxx, HOST=xx (xx) S Thu Aug 16 2012 09:25:02:701 reginfo accepted server: TP=xxx, HOST=xx (xx) S Thu Aug 16 2012 09:25:05:236 reginfo accepted server: TP=xxx, HOST=xx (xx)
