SQL Server Error Code – 19486 the configuration changes to the availab

In this blog post, you’ll learn more about the SQL Server Error Code 19486 and the error message description that is shown

SQL Server Error Code

19486

SQL Server Error Description for the Code :19486

The configuration changes to the availability group listener were completed, but the TCP provider of the instance of SQL Server failed to listen on the specified port [%.*ls:%d]. This TCP port is already in use. Reconfigure the availability group listener, specifying an available TCP port. For information about altering an availability group listener, see the “ALTER AVAILABILITY GROUP (Transact-SQL)” topic in SQL Server Books Online.