(provider: Named Pipes Provider, error: 40 -Ĭould not open a connection to SQL Server) Verify that the instance name is correct and that SQL Server is configured A network-related or instance-specific error occurred while establishing a The solutions is provided in the error message you are receiving on your "local" computer. Note that if you are using NAT or port-forwarding, you might not see the external IP, in which case you will need to work with your network administrators to make sure the translation or forwarding address is correct. The following in a cmd session: C:\Users\hs>nslookup jxxxxxx.sxxxxĪddresses: <- This is the addressīy default SQL Server listens on all addresses, but in some cases, the default isn't used and addresses need to be explicitly added. To find out what the IP you are using resolves to, run The IP that you are connecting to remotely should show up in one of these fields (e.g. Once the new screen loads, click on the IP Addresses tab, and you will see something similar to this: Go the same screen where you enabled the TCP/IP protocol, in your case SQL Server Configuration Manager > SQL Server Network Configuration > Protocols for MSSQLSERVER and right-click on TCP/IP. You can do this from SQL Server Configuration Manager. Something else you can have a look at is whether the TCP protocol for SQL Server is listening on the correct IP address(es). Is there some way that my connection string is wrong, or could be incorrect for some network environments? The Server is not in a domain and is named Oxxxxxxx, if that helps. I know that this should be unnecessary, but I'm going crazy. Enabled named pipes, and in the Native Client settings enabled TCP/IP and Named Pipes, and restarted the service.
To troubleshoot this I have gone to extremes: (provider: Named Pipes Provider, error: 40 - Could Verify that the instance name is correct and that SQL Server is configured toĪllow remote connections. The server was not found or was not accessible. I am unable to connect, receiving the error message below: Cannot connect to jxxxxxx.sxxxx.Ī network-related or instance-specific error occurred while establishing aĬonnection to SQL Server. On my home computer I opened SQL Server Management Studio 2017 and attempted to connect with jxxxxxx.sxxxx.
I used the checkbox to install a default, unnamed instance.
This has been upgraded to SP2 Cumulative Update 8.
Using this RDP connection I installed MS SQL Server 2014 Express on the server. I connect to this server with the address jxxxxxx.sxxxx:5000.
I have access to a remote Windows 2008 R2 server through RDP. I am a DBA but not a networking expert.Ĭertain information below has been sanitized using "x" in place of a letter. I am at the end of my rope troubleshooting a remote SQL Server connection problem.