SQL-Server resource fails to come online IS Alive check fails

SQL-Server resource fails to come online with Error: [sqsrvres] checkODBCConnectError: sqlstate = 08001; native error = 35; message = [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…