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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.
3 lis 2017 · 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) To troubleshoot this I have gone to extremes:
10 cze 2020 · '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.
21 wrz 2023 · This article series helps you troubleshoot the most common SQL Server connectivity issues and describes the tools and methods you can use for troubleshooting. If multiple SQL Server instances in your environment are impacted, or the issue is intermittent, it usually indicates Windows policy or networking issues.
20 cze 2023 · To effectively troubleshoot connectivity issues, gather the following information: The text of the error message and the error codes. Check whether the error is intermittent (occurs only sometimes) or consistent (occurs all the time). Application and system event logs from SQL Server and client systems.
This article provides resolutions for the problem where users are not able to connect remotely to SQL Server using TCP/IP protocol.
23 mar 2019 · Basically, when you failed to connect to your SQL Server, the issue could be: 1) Network issue, 2) SQL Server configuration issue. 3) Firewall issue, 4) Client driver issue, 5) Application configuration issue. 6) Authentication and logon issue.
