Unfortunately, this error code doesn’t explain why the connection is failing.
Retrying the connection after waiting a minute or two can work with sporadic web connection outages.
Use the correct VPN server name and address.
Given a choice, users can opt to specify an IP address instead of a name.
It’s more common to mistype an address than a name, however.
VPN servers may also have their IP address changed occasionally, especiallyDHCPnetworks.
see to it your firewall isn’t blocking VPN connections.
To determine whether a client firewall is triggering VPN error 800, temporarily disable it and retry the connection.
Home internet administrators normally perform these changes on abroadband router.
If it has worked with the VPN previously, this isn’t the problem.
The server may have too many clients already connected.
you could’t check this from the client side of the connection.
The server may be offline, in which case, the delay in connecting should be a brief one.
It indicates that messages being sent by the VPN client (you) are failing to reach the server.
Many possible reasons for these connection failures exist including:
