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PPTP doesn't work with VPN integrated server in Windows 10 2004 or 20H2 64bits

Hello, there is a long thread in the Microsoft community talking of a similar problem with L2TP, that seems to have been solved, but my problem is with PPTP, as the integrated server doesn’t support L2TP.

With Windows 10 1909 version, everything works OK, I can connect from my laptop Windows 10 2004 updated till 2021-01 to my desktop, VPN server using PPTP.

But as soon as I update the desktop to 2004 or 20H2 and apply the latest updates KB4593438 (2020-12), KB4598242 (2021-01) and KB 4586876 (Net Framework 3.5 and 4.8), it doesn’t work. I initiate VPN connection from the same client (Windows 10 2021-01) to the “new” server and it doesn’t connect, it stays as “connecting to…” and finally error message “Connection interrupted with server… Might be due to Internet Latency or Server maximum capacity reached…”

Then, I restored the server to the previous 1909 version and it works again OK.

I also sent a feedback message using the “Feedback Center”. No answer yet.

I tried all the solutions proposed in the L2TP issue, uninstall and reinstall MiniWAN drivers, deleted and redefined the incoming connection, etc. etc. No way, it doesn’t work.

So, it seems that I will have to stay blocked with version 1909 in my VPN Integrated Server Desktop.

Any idea of help?

Any suggestion of solution will be VERY welcomed.

Thanks and best regards.

Javier

I have had the same problem many times after upgrading to a new version of Windows 10. In my experience, sometimes reviewing the settings and making sure everything is checked correctly or redoing the VPN connection resolves the issue. However, other times, nothing work, and I have to use a virtual machine with an older version of Windows 10 to make the connection work.

If you have a device that you rely on, try not to upgrade too quickly. I use the latest version of Windows 10, but on my main PC, I’m still rocking version 1909. If you don’t need the new features, don’t rush to upgrade.

Thanks for your answer.

Yes, I agree and that is my plan for the time being. Most probably I will wait for the next characteristics update. I already stopped the updating of those updates for 120 days.

It already happened to me three years ago I feel with the 180x update and it was finally solved when a new characteristics update came.

Anyway, I feel this is something Microsoft had to pay attention. I already put a comment/problem in the feedback center, but no answer for time being.

regards.