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Thursday, September 05, 2013

SQL SERVER – FIX : ERROR : (provider: Named Pipes Provider, error: 40 – Could not open a connection to SQL Server) (Microsoft SQL Server, Error: )




 SQL SERVER – FIX : ERROR : (provider: Named Pipes Provider, error: 40 – Could not open a connection to SQL Server) (Microsoft SQL Server, Error: )

Checklist in case of above error

#1. SQL Server service must be running.
Go to All Programs >> Microsoft SQL Server 2008 >> Configuration Tools >> SQL Server Configuration Manager >> SQL Server Services, and check if SQL Server service status is “Running”.

#2. TCP/IP enabled.
When two or more SQL Servers are connected across network they do all communication using TCP/IP. The default port of SQL Server installation is 1433. This port can be changed through SQL Server Configuration Manager. TCP/IP should be enabled for SQL Server to be connected.

#3. Add Port  in Windows Firewall on SQL Server instance.
Go to Control Panel >> Windows Firewall >> Change Settings >> Exceptions  >> Add Port

#4 Enable Remote Connection
In order to connect to machine other than local we need to enable remote connection on instance.

#5 Enable SQL Server Browser service


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