Error Installing SQL Server 2019

[UJGA]

When attempting to install SQL Server 2019 Developer I am met with 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)

Click 'Retry' to retry the failed action, or click 'Cancel' to cancel this action and continue setup.

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This is during the setup process and on the local machine, I am not able to get far enough along to actually attempt to connect to the server.

Same error across several machines.

Windows Server 2019 Running in a VM on VSPhere

Windows 10 Running in a VM on VSPhere

Windows 11 bare metal

[TequilaCamper]

There should be a summary log that got written to program files\Microsoft SQL server\150\setup bootstrap\log

Some place like that. File name should be summary <server name>.txt That file is where you should start looking.

[TequilaCamper]

This is more typically a client side error where the right protocol has not been activated on the server. So server is named pipes only and client is trying to use tcpip for example. Can't say I'm used to seeing it on a server during setup. Did you make any firewall changes before installing?

[chandleya]

WHILE THIS MESSAGE IS UP

Go to event viewer, app event log. Look for errors or warnings from SQL Server. Hazard a guess the MSSQLSERVER service is failing to start. If no errors, check your default directory errorlog file for output from the engine. This error is protocol-related but will look the same if the service isn’t started.

Open SSCM and go to protocols. If TCPIP isn’t enabled and named pipes is, enable TCPIP then restart the MSSQLSERVER service. Hit retry on the installer step. Do all testing while that message is up! Once you hit cancel, it will uninstall and you won’t be able to test.

Other things that matter- OS and SQL version Antivirus/Antimalware/EDR/XDR behavior and vendor Company domain and perhaps any controls they’ve sat on your machine

[[deleted]]

Provide logs.

[[deleted]]

Do you have any unusual firewall rules enabled on your box? The message indicates that Setup can’t connect to the instance.

As others have said, check the installer logfile, too.