Your VPN connection for Windows 11 does not work anymore? Try this workaround.
1. Open VPN settings by searching for VPN in windows search.
2. Choose your VPN connection Click the arrow following the connection's name, then click Advanced Options.
3. There, next to the Additional VPN Properties entry, click Edit to open the configuration menu.
4. Now click the security tab and configure the settings as shown below.
5. Click OK to save your settings and restart the VPN connection.