Issues in Installation: We also came across several cases where the VPN system was not working either because the application installed was corrupt or was outdated.Internet problems: Since the VPN requires a proper internet connection if there are some issues with the network, the VPN service will not work.In this case, you would have to troubleshoot the app. Third-party interference: There are several reported instances where the VPN application doesn’t work because of interference with third-party applications.
If that location’s VPNs are overloaded or full, you will not be able to connect.