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)
По такому описанию тебе никто ничего не скажет. Нужно знать есть ли путь от твоей машины до сервера, все ли хорошо с DNS, какой клиент и каким методом ты пользуешь и в какой именно момент даёт такую ошибку.
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Cannot connect to LAPTOP-------------.
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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)
For help, click: https://docs.microsoft.com/sql/relational-databases/errors-events/mssqlserver-2-database-engine-error
P.S. я на том сайте ничего не понял толком
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Не удается найти указанный файл
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BUTTONS:
OK
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