Forum OpenACS Q&A: psql error : cant t open the database

Hi,I m trying to install openacs with postgresqli have create the database with the user nsadmini launch postgresql with :/usr/local/pgsql/bin/postmaster -D/usr/local/pgsql/datathere is a part of my nsd.tclns_section "ns/server/${server}/module/nssock" ns_param port $httpport ns_param hostname 192.9.200.145ns_section "ns/db/pools" ns_param main "OpenACS Main Pool" ns_param log "OpenACS Log Pool" ns_param subquery "OpenACS Subquery Pool"ns_section "ns/db/pool/main" ns_param Driver postgres ns_param Connections 5 ;# 5 is a good number. ns_param DataSource 192.9.200.145:8000:dexem ; ns_param User nsadmin ; ns_param Password "" ns_param Verbose On ; ns_param LogSQLErrors On ns_param ExtendedTableInfo On # ns_param MaxOpen 1000000000 ;# # ns_param MaxIdle=1000000000 ;#ns_section "ns/db/pool/log" ns_param Driver postgres ns_param Connections 5 ns_param DataSource 192.9.200.145:8000:dexemns_param User nsadminns_param Password ""ns_param Verbose Onns_param LogSQLErrors Onns_param ExtendedTableInfo On# ns_param MaxOpen 1000000000# ns_param MaxIdle=1000000000ns_section "ns/db/pool/subquery"ns_param Driver postgresns_param Connections 2ns_param DataSource 192.9.200.145:8000:dexemns_param User nsadminns_param Password ""ns_param Verbose Onns_param LogSQLErrors Onns_param ExtendedTableInfo On# ns_param MaxOpen 1000000000# ns_param MaxIdle=1000000000his error :when i launch aolserver i have this message in the server.log Notice: nsd.db: opening: postgres:192.9.200.145:8000:dexem[17/Jul/2000:16:27:11][498.1026][-sched-] Notice: Opening dexem on192.9.200.145, port 8000[17/Jul/2000:16:27:11][498.4101][-conn1-] Notice: starting: waitingfor connections[17/Jul/2000:16:27:41][498.1026][-sched-] Error:Ns_PgOpenDb(postgres): Could not connect to 192.9.200.145:8000:dexem: PQconnectPoll() -- expected authentication requestcould someone help methankRmi