Help me ,please. What difference between installation PGSQL on win-2000 and win-2000-server or on WIN-XP ? When i try to connect to installed PGSQL on win-xp or win-200-server from other host of local net, i get the message : Connection refused (0x0000274D/10061) Is the server running on host "192.168.1.21" and accepting TCP/IP connections on port 5432? When i installing PGSQL on Win-2000 (not server) i have no this problem. All changes in pg_hba.conf and in postgresql.conf have done.Maybe i must to open some extra parameters in postgresql.conf file or do something else ? Os name : Microsoft Windows 2000 Server Version : 5.0.2195 Service Pack4 Build 2195. Version of PGSQL : 8.0 Excuse me for my poor English,please. --------------- Best regards Платонов Владимир (Platonov Vladimir from Russia). mailto:platonovvp@xxxxxxxxxxxxx