public String getSQLServerHostname() throws GuacamoleException {
        return getProperty(
            SQLServerGuacamoleProperties.SQLSERVER_HOSTNAME,
            DEFAULT_HOSTNAME
        );
    }
Returns the hostname of the SQLServer server hosting the Guacamole
authentication tables. If unspecified, this will be "localhost".

@return
    The URL of the SQLServer server.

@throws GuacamoleException
    If an error occurs while retrieving the property value.
extensions/guacamole-auth-jdbc/modules/guacamole-auth-jdbc-sqlserver/src/main/java/org/apache/guacamole/auth/sqlserver/conf/SQLServerEnvironment.java