VPN Error 619
VPN error 619 is almost always a problem with a firewall on the client machine or the firewall the client is behind breaking PPTP.
To enable VPN tunnels between individual host computers or entire networks that have a firewall between them, you must open the following ports:
- To allow PPTP tunnel maintenance traffic, open TCP 1723
- To allow PPTP tunneled data to pass through router, open Protocol ID 47
For specific instructions on how to enable a protocol or to open a port in firewall please make sure you check the help pages of your antivirus or router.
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