vCast Pro Appendix

Troubleshooting

This section describes some common problems that you may experience when using vCast Pro. Additionally, you can contact your sales representative or IT department if you are experiencing any problems.

Problem or Issue	Possible Solution
Device List is not displayed	Please make sure you have followed all instructions for connecting to the same network environment. For more information, see Before Launching vCast Pro.
Unable to connect to vCast Download page	Ensure that the firewall for your operating system permits vCast Pro to run and communicate on your network. This message will only appear if the server is using a self-signed certificate with an invalid trust chain.

Network Information

vCast Pro & vCastSender Service

Network Information

• The ViewBoard and client devices can connect to both the same subnet and cross subnet. If on the same subnet, PIN code input can be disabled.
• vCast Pro supports cross subnet connectivity via PIN code input. Please ensure PIN code input is enabled. To learn more, see Cast Settings.

NOTE: For a more stable connection, it is recommended to have any ViewBoard or display connected via LAN by Ethernet cable, and client devices on a 5 GHz Wi-Fi band.

• Ports:

TCP 56789, 25123, 8121 & 8000 (Controlling message port & client device audio transfer)

TCP 8600 (BYOM)

TCP 53000 (Request share screen)

TCP 52020 (Reverse control)

TCP 52025 (Reverse control for ViewBoard Cast Button)

TCP 52030 (Status sync)

UDP 48689, 25123 (Device searching and broadcast & client device audio transfer)

UDP 5353 (Multicast search device protocol)

• Port and DNS Activation:

Port: 443

DNS: https://vcastactivate.viewsonic.com

• OTA Service

Server Port: TCP 443

Server FQDN Name: https://vcastupdate.viewsonic.com

Customer Service

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