问题
I have installed SQL Server Management Studio 2014. In "connect to server" window, I selected server type as "Database engine", server name as "(local)" but when I try to connect, n error is shown-
TITLE: Connect to Server
Cannot connect to ..
ADDITIONAL INFORMATION:
A network-related or instance-specific error occurred while establishing a connection to SQL Server. The server was not found or was not accessible. Verify that the instance name is correct and that SQL Server is configured to allow remote connections. (provider: Named Pipes Provider, error: 40 - Could not open a connection to SQL Server) (Microsoft SQL Server, Error: 2)
Please help what to do...
回答1:
A network-related or instance-specific error occurred while establishing a connection to SQL Server. The server was not found or was not accessible. Verify that the instance name is correct and that SQL Server is configured to allow remote connections. (provider: Named Pipes Provider, error: 40 - Could not open a connection to SQL Server) (Microsoft SQL Server, Error: 2)
This is a common error which arises when connecting to SQL Server with Management Studio.
This includes different type of error scenarios like (Service--Not Available),(Service-Not Running),(Network Library- Not Enabled),(Fire Wall-Blocking) Etc.
Please troubleshoot in systematic manner.
Click On start button and type
Services.MSCCheck whether the SQL Server service has been installed and is running fine.
Please check the service whether started or not.
If Yes:
- Next Scenario is Network Libraries Tune.
If No
- Install the SQL Server Engine from the software package and start the service.
回答2:
Please ensure these configurations status are active
Right Click on the Instance and Start it
回答3:
All Programs >> Microsoft SQL Server >> Configuration Tools >> SQL Server Configuration Manager >> SQL Server Services, and check if SQL Server service status is “Running”.
回答4:
- All Programs
- Microsoft SQL Server 2008 R2
- Configuration Tool
- SQL Server Configuration Manager
- A pop up will open click on yes
- Select Sql Server Services (At left side) and Make sure Status is running for all services (At right Side)
reference
回答5:
in the login screen Server name: Browse for more -- expand database Engine and choose your database then login again.
来源：https://stackoverflow.com/questions/20851795/sql-server-management-studio-can-not-connect