Loioking at the San Sufrfer FC HBA Manager, i see in AppEvents a number of errors.
Those:
Error,Fri Sep 24 11:55:45 CEST 2010,RPC request 57 for Host 172.16.1.203 failed.
Error,Fri Sep 24 11:55:46 CEST 2010,Retrying RPC request 57 for Host 172.16.1.203.
Error,Fri Sep 24 11:55:45 CEST 2010,RPC request 64 for Host 172.16.1.203 failed.
Error,Fri Sep 24 11:55:45 CEST 2010,RPC request 57 for Host 172.16.1.203 failed.
Error,Fri Sep 24 00:00:00 CEST 2010,Retrying RPC request 57 for Host 172.16.1.203.
Error,Fri Sep 24 00:00:00 CEST 2010,RPC request 57 for Host 172.16.1.203 failed.
Error,Fri Sep 24 11:55:45 CEST 2010,RPC request 57 for Host 172.16.1.203 failed.
Error,Fri Sep 24 11:55:45 CEST 2010,Retrying RPC request 57 for Host 172.16.1.203.
Error,Fri Sep 24 11:55:46 CEST 2010,RPC request 57 for Host 172.16.1.203 failed.
Error,Sat Sep 04 00:00:00 CEST 2010,Retrying RPC request 57 for Host 172.16.1.203.
Error,Fri Sep 04 00:00:00 CET 1970,RPC request 57 for Host 172.16.1.203 failed.
Error,Fri Sep 24 11:55:46 CEST 2010,Retrying RPC request 57 for Host 172.16.1.203.
Error,Fri Sep 24 11:55:45 CEST 2010,RPC request 64 for Host 172.16.1.203 failed.
Error,Fri Sep 24 11:55:46 CEST 2010,Retrying RPC request 64 for Host 172.16.1.203.
Error,Fri Sep 24 11:55:46 CEST 2010,RPC request 64 for Host 172.16.1.203 failed.
Error,Fri Sep 24 11:55:46 CEST 2010,Retrying RPC request 64 for Host 172.16.1.203.
Error,Fri Sep 24 11:55:46 CEST 2010,RPC request 57 for Host 172.16.1.203 failed.
Error,Fri Sep 24 11:55:46 CEST 2010,RPC request 64 for Host 172.16.1.203 failed.
Error,Fri Sep 24 11:55:46 CEST 2010,Retrying RPC request 64 for Host 172.16.1.203.
Error,Fri Sep 24 11:55:46 CEST 2010,RPC request 64 for Host 172.16.1.203 failed
I think it's related... but dunno the way... The Domain is UP...