failed to negotiate cipher with server - OpenVPN Support Forum
...To resolve this, you can try adding the server's cipher ('AES-128-CBC') to the --data-ciphers option in your OpenVPN configuration file. This should align the cipher settings and allow you to connect successfully....
https://forums.openvpn.net/viewtopic.php?t=35810
Can't Connect: Certificate Verify Failed - OpenVPN
...Re: Can't Connect: Certificate Verify Failed by TinCanTech » Thu Dec 09, 2021 1:59 pm You need to use the new files in the openvpn config file....
https://forums.openvpn.net/viewtopic.php?t=33418
OpenVPN Connect not opening - OpenVPN Support Forum
...OpenVPN Inc. Answers provided by OpenVPN Inc. staff members here are provided on a voluntary best-effort basis, and no rights can be claimed on the basis of answers posted in this public forum....
https://forums.openvpn.net/viewtopic.php?t=33223
error OpenVPNMSICA: tap_create_adapter 536870397 - OpenVPN Support Forum
...by AviationAtom » Fri May 26, 2023 7:46 pm I encountered this issue too, but it had nothing to do with antivirus. What I concluded it was is a VPN provider's (PIA, in my case) installer conflicting with the Wintun driver install. After uninstalling the provider's software the OpenVPN/Wintun driver install proceeded without any issue....
https://forums.openvpn.net/viewtopic.php?t=33160
No server certificate verification method has been enabled. - OpenVPN
...Re: No server certificate verification method has been enabled. by sylsun » Mon Jul 22, 2024 12:47 pm And same computer with openvpn works with an other box...
https://forums.openvpn.net/viewtopic.php?t=26485
Error message: Peer certificate verification failure - OpenVPN
...Usually with OpenVPN when certificates are implemented, the client verifies the identity of the server, and the server verifies the identity of the client. Depending on where you see this message, such verification failed for either the server or the client. So you should probably check your certificates and verification options again carefully....
https://forums.openvpn.net/viewtopic.php?t=32568
Error with .ovpnf file on router: cipher set to ?AES-256 ... - OpenVPN
...OpenVPN Inc. Answers provided by OpenVPN Inc. staff members here are provided on a voluntary best-effort basis, and no rights can be claimed on the basis of answers posted in this public forum....
https://forums.openvpn.net/viewtopic.php?t=33536
Setting correct MTU - OpenVPN Support Forum
...OpenVPN requires that packets on the control or data channels be sent unfragmented. MTU problems often manifest themselves as connections which hang during periods of active usage. It's best to use the --fragment and/or --mssfix options to deal with MTU sizing issues....
https://forums.openvpn.net/viewtopic.php?t=25039
OpenVPN Connect v3.3.6 - OpenVPN Support Forum
...Re: OpenVPN Connect v3.3.6 by L4bRAT » Tue Mar 12, 2024 6:27 am Recently I too encountered this issue on 3.3.7.2979 where I was connected to our company's OpenVPN setup, even received a VPN IP for the system. However, I was unable to connect to our internal systems as well as the external general public internet....
https://forums.openvpn.net/viewtopic.php?t=35448
OpenSSL Context: CA not defined - OpenVPN Support Forum
...OpenSSL Context: CA not defined 2 posts ? Page 1 of 1 texaskilt OpenVpn Newbie Posts: 1 Joined: Sun Apr 10, 2022 3:33 pm...
https://forums.openvpn.net/viewtopic.php?t=34069