Is the SQL Server instance (service) running at all?
Have you used the right SQL Server (instance) name?
By default SQL Server Express is installed as "named instance" and you have to use "MachineName\SQLEXPRESS" as server name to connect to.
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I used to be able to connect to sqlexpress (2022?) from Visual Studio 2022, but now I am getting this error:
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).
I am a mainframe developer trying to learn Visual Studio with sqlexpress and I just don't know what this means.
Is the SQL Server instance (service) running at all?
Have you used the right SQL Server (instance) name?
By default SQL Server Express is installed as "named instance" and you have to use "MachineName\SQLEXPRESS" as server name to connect to.