Ubuntu[16.04.2 64bits] PHP[7.0.15] timeout on connect SQL Server Windows Instance

[Rafabin]

My Ubuntu Server (192.168.10.1)
16.04.2 (64 Bits)
-Microsoft SQL Server vNext (CTP1.4) - 14.0.405.198 (X64)
-default instance instaled guide
-db LEGACY

My Windows (192.168.0.50)
-Microsoft SQL Server 2014 Express 2014.120.2269.0
-Instance 192.168.0.50\LEGACY
-db LEGACY
-Management Studio 2016
-Firewall Off
-No Antivirus

Issue.
-The php7.0 (ubuntu) connects to the local instance (ubuntu) but does not connect to the remote instance (windows)
-The management studio (windows) successfully connects to the ubuntu and windows instance

Error.
(Ubuntu)-> sqlcmd -S 192.168.0.50\LEGACY -U sa -P xxxxxxxx -Q "USE LEGACY;"

Sqlcmd: Error: Microsoft ODBC Driver 13 for SQL Server : Login timeout expired.
Sqlcmd: Error: Microsoft ODBC Driver 13 for SQL Server : TCP Provider: Error code 0x2AF9.
Sqlcmd: Error: Microsoft ODBC Driver 13 for SQL Server : 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.

(Ubuntu)-> sqlcmd -S localhost -U sa -P xxxxxxxx -Q "USE LEGACY;"
OK Connected!

(Ubuntu) - PHP
-localhost sql server instance 'Connected'!
-windows sql server instance Timeout! =/
[0] => HYT00
[SQLSTATE] => HYT00
[1] => 0
[code] => 0
[2] => [unixODBC][Microsoft][ODBC Driver 13 for SQL Server]Login timeout expired
[message] => [unixODBC][Microsoft][ODBC Driver 13 for SQL Server]Login timeout expired

[0] => 08001
[SQLSTATE] => 08001
[1] => -1
[code] => -1
[2] => [unixODBC][Microsoft][ODBC Driver 13 for SQL Server]MAX_PROVS: Error Locating Server/Instance Specified [xFFFFFFFF].
[message] => [unixODBC][Microsoft][ODBC Driver 13 for SQL Server]MAX_PROVS: Error Locating Server/Instance Specified [xFFFFFFFF].

$serverName = "localhost";
$connectionOptions = array(
                "Database" => "LEGACY",
                "UID" => "sa",
                "PWD" => "xxxxxxxx"
);
            //Establishes the connection
            $conn = sqlsrv_connect($serverName, $connectionOptions);

            if ($conn == FALSE)
                die(print_r(sqlsrv_errors()));
            else
                echo 'Connected!';

[yukiwongky]

@Rafabin, to connect to a named instance, you need to provide the port number. Please see here.

Other users also experienced this Login timeout expired issue due to port number, firewall, or odbc config. Please see #190 for other possible solutions.

[meet-bhagdev]

@Rafabin: Does @v-kaywon's recommendation help?

[meet-bhagdev]

@Rafabin Closing due to in-activity. Feel free to re-open if you still need help 👍