If Your Mac Fails to Connect with Parallels Transporter Agent

Firewall applications may block connections between your Mac and Parallels Transporter Agent on the Windows PC.

Firewall problems in macOS

If your Mac fails to connect with Parallels Transporter Agent on your Windows PC, the reason may be that the built-in Mac firewall blocks the connection to Parallels Transporter Agent.

To enable connections between your Mac and Parallels Transporter Agent and prevent further blocking, you can configure the firewall settings in macOS by doing the following:

1. From the Apple menu, choose System Preferences , and then click Security .
2. Click the Firewall tab.
3. Configure the necessary settings.

If you try to search for Parallels Transporter Agent by typing the Windows PC IP address manually, you may receive a message saying that Parallels Transporter Agent is blocked. Click the Unblock button.

Firewall problems in Windows

Microsoft Windows operating system has a built-in firewall that blocks connections to and from other computers. When starting Parallels Transporter Agent for the fist time, you may see a message saying that Windows Firewall has blocked some features of the application.

To enable the connection between your Mac and Parallels Transporter Agent, click Unblock.

To prevent this problem from happening again, add Parallels Desktop and/or Parallels Transporter Agent to the firewall exceptions (the list of applications allowed to communicate through the firewall):

1. From the Start menu, choose Control Panel > Network Connections .
2. In the Network Tasks pane, click Change Windows Firewall Settings .
3. Add Parallels Desktop and/or Transporter Agent to the firewall exceptions list.