when running the system health it shows this error on the server "Database Connection Error: failed OpenConnection: failed OpenConnection: Error related to the network or specific to the instance while establishing a connection with the SQL Server. The server or the server could not be found was not accessible. Verify that the instance name is correct and that SQL Server is configured to support remote connections. (provider: TCP Provider, error: 0 - The remote computer rejected the network connection.) "when checking, the base Data allows remote connection, being tested by connecting from the same server of the Performance Center. Both servers can be connected by PING to the ip and to the name of each machine.
How can I solve this problem ?