sqlserver 2005 refuse connection from target machine or name piped error - remote connection


hi, friends

having problem while accessing sql server 2005 remote location when loged in.

configuration of environment

a)- application server- ip: 192.168.0.77 , windows 2003 server standard edition
d1)- database server1- ip: 192.168.0.78, windows 2003 server enterprise edition,virtual ip: 192.168.0.18
d2)- database server2- ip: ip: 192.168.0.79, windows 2003 server enterprise edition
     - cisco firewall asa5500
     - sun storege
     - vpn connectivity

mirroring , clustring

have ms visual studio 2008 , sqlserver 2005 in a,ms sqlserver 2005 in d1 , d2.

have asp.net application asp.net version set 2.0.50727 in iis in , database in d1

application configured virtual directory port 2020 in seprate directory in d: other c://inetpub/wwwroot
using
data source =192.168.0.18,1433; initial catalog =mydatabase; user id =myusername; password =mypassword;persist security info=false; integrated security = false in web.config.

problem application runing when debug(run) visual studio. when i browse iis(or browser  http://192.168.0.77:2020/) throws
"tcp provide: no connection made because target machine actively refused it" when click on login( when first time goes sqlserver d1)

error varies if change data source 192.168.0.78 or integrated security = true

server error in '/' application
sqlexeption:error has occured while establishig connection server when connecting sql server 2005 caused fact under default setting sql server not allow remote connections.(provider: namedpipes provider error 40 - not open connection sqlserver)
1 more thing if connect sql server 2005 of d1 via sql server management studio network server connects.

so,please guide me can problem.
 
due firewall, tcp listning,port opening? or there setting in web.config ?







you try following steps listed here first:
http://blogs.msdn.com/sql_protocols/archive/2008/04/30/steps-to-troubleshoot-connectivity-issues.aspx

we need verify database configured accept connections.

have used sql server configuration manager enable named pipes , tcp/ip connection providers?

you may require firewall port exceptions tcp 1433 , udp 1434.

you can shutdown sql service and paste contents of errorlog here might help.

what precisely mean virtual ip?


SQL Server  >  SQL Server Data Access



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