SQL Server not working after upgrading windows8.1 to windows 10
问题 TITLE: Connect to Server ------------------------------ Cannot connect to Thejus-PC. ------------------------------ 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) > (.Net