Windows 10: Fix VPN Error 806 (GRE Blocked) on Windows 11/10

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Are you seeing VPN Error 806 when you are trying to use VPN on your Windows 10 PC? What exactly is VPN Error 806 and how can we fix the error and connect to VPN? In this guide, we show you ways to fix VPN Error 806 (GRE Blocked) on Windows 11/10. VPN has become […]

This article Fix VPN Error 806 (GRE Blocked) on Windows 11/10 first appeared on TheWindowsClub.com.

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Can't open VPN with mobile hotspot, error 806 - Windows 7

Hey all.

So I have a VPN access to a network. but it doesn't work when I use my phone as a hotspot, but only on a specific machine, a Fujitsu T730 (Atheros AR2987). It runs a fully updated Windows 7 Pro. On a "normal" router it works just fine. The hotspot works on other machines, it's only on this one it doesn't work. I've tried Android and iOS, and the IP ranges are not conflicting with each other.

The error I get is 806, saying this:

The machine is clean, we only use it for one thing and that is troubleshooting/installing measuring equipment in electrical installations.

I've never used VPN's before, I have no idea where to even begin. It can't be firewalls/routers/switches or something because it works with other machines. Or at least I am assuming this. So any ideas are welcome!

EDIT:

Uhh, the problem might be some software strangeness, as I know have connection problems all over the place. Currently I'm connected like this: property router -> managed switch -> dumb switch -> dumb switch (the last two being my workplace network) and it intermittently has no internet connection. The same goes for WiFi, which up to this point worked just fine. It connects to the network, but no internet. Everything else connected to the same network has internet access.

 

Vpn ( trusted Vpn)

Tired of Germany blocking many youtube videos? *Big Grin

 

Can't open VPN with mobile hotspot, error 806 - Windows 7

How it looks so far, it's something with my phone I think.

• Disabled firewall - no change
• It works on two other machines (HP Elitebooks 8560W with Intel Advanced-n 6205), it works on those machines
• It works with other the DSL connection we have at the office, both wired and wifi
• It works when using my coworkers iPhones as hotspots. One of them consistently (4S with 8.1.3) and one of them intermittently (6 Plus with 9.0). The 6 Plus has the exact same subscription as I have, the 4S has a different carrier but that doesn't matter much because they use the same network
• All settings are identical
• Scanned the machine for malware/virus - nothing found
• Disabled all other network interfaces - no change
• Deleted the connection and set it up again - no change
• Manually opened port 1723 in the firewall with the GRE protocoll - no change

Now, our internal IP adress can't be set to 192.168.1.x, it conflicts with the VPN thing. iOS slobs out 172.20.10.x, Android 192.168.42.x, so it shouldn't be that.

EDIT: My phone (Sony Z3, android 5.1.1) needs a 6 number pin-lock to use VPN's, so for the lulz I enabled the VPN function on the phone, but still no go.