To access vSphere/NSX-T, you must install Tunnelblick VPN client software on your Mac and establish a VPN connection.  

This article explains how to install and configure the Tunnelblick VPN client software on your Mac to connect to your Private Cloud via VPN. 

Tunnelblick is a free graphical user interface for OpenVPN for macOS.


In order to use OpenVPN, you must enable the following ports in your router and firewall:

Port            Protocol
1194           UDP
443             TCP

Alternatively, OpenVPN can be used with port 1194 TCP. In this case, you have to enable this port as well.

  • You have administrator rights.

  • You have logged in to your local PC.

Download Tunnelblick

You can download the VPN client software Tunnelblick on the following page:


We recommend you download the latest stable version.

Install Tunnelblick

  • Open the installation file. The file name of the installation file has the following format:


    Example: Tunnelblick_3.8.1_build_5400.dmg

  • Double click on the Tunnelblick app.

    The following message will be displayed:
 is an app downloaded from the Internet; do you really want to open it?

  • Click on Open.

  • Enter the password of the administrator account.

  • Click on I have configuration files. The window Add configuration is being displayed.

  • Click OK.

Download Configuration File

To configure the OpenVPN client software, you need the *.ovpn file. To download this file, please proceed as follows:

  • Open the Cloud Panel.

  • To download the configuration file, click VPN in the section Private Cloud.

Configure Tunnelblick

  • Open the Downloads directory.

  • Click on the folder you have downloaded.

  • Double-click the file with the .ovpn extension. Example: vpn_4fq1e_1.ovpn

  • Click on Only for this user.

  • Enter the password of the administrator account.

    The configuration will be installed.

  • Open Tunnelblick.

  • In the menu bar at the top of the screen, click on the Tunnelblick icon.

  • Click on VPN details.

  • In the navigation bar on the left, under Configurations select the configuration you have imported.

  • Click on Settings.

  • In the Set DNS/WINS list, select the setting Do not set nameserver.