Hi Mrs, I've probelm with SQL Communication between ISA 2000 Server Scenario ========= MS-SQL Server A MS-SQL Server B (network 1) ---------> ISA Server 2000 ---------> (network 2) (last updates, every) Problem ======= MS-SQL Server A is talking with MS-SQL Server A throught 1433 port It working propperly. But when MS-SQL Server A try to start a "Begin Transaction" it get the following error: If I establish a direct connection (without ISA Server) it work. My ISA rules are: Rule type......: WEB PUBLISHING Destination Set: MS-SQL Server B Rule port......: 1433 inbound Rule type......: WEB PUBLISHING Destination Set: MS-SQL Server B Rule port......: Any RPC inbound (test) Any help is very appreciated, TKS Alex