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11 sie 2011 · Problem - I was not able to connect to DB through sql developer. Solution - First thing to note is that SQL Developer is only UI to access to your database. I need to connect remote database not the localhost so I need not to install the oracle 8i/9i.
Both systems return the error, Cannot connect to SQL-Listener. A network-related or instance-specific error occurred while establishing a connection to SQL Server. The server was not found or was not accessible.
18 maj 2023 · Vendor code 17002 usually comes when Listener Control is down. configure the listener.ora and tnsnames.ora file using the Network Configuration Assistant (netca). Then try restarting the listener. Then make sure that the network is up, by pinging. Then try connecting.
5 gru 2023 · 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.
18 kwi 2018 · The error The Network Adapter could not establish the connection means probably that you don't have connectivity to that TCP port. Verify with: telnet 1.2.3.4 1521 If the screen waits for your input, you have connected. This means the TCP layer works. Else telnet will print an error. On newer Linux systems you could also use nc -v in the same vein.
11 maj 2023 · [Microsoft SQL Server Native Client 10.0]: A network-related or instance-specific error has occurred while establishing a connection to SQL Server. Server is not found or not accessible. Check if instance name is correct and if SQL Server is configured to allow remote connections.
20 mar 2023 · What Causes the “The Network Adapter Could Not Establish The Connection” Error? After receiving numerous reports from multiple users, we decided to investigate the issue and devised a set of solutions to fix it completely.
