If a Windows 7 user is having trouble with VPN access, please follow these steps.
- Run gpupdate /force in the command prompt to update their group policies
- Disable the IP Helper Services in computer management.
- Stop the Service
- Change the Startup proprieties to disabled
If the computer is still having issues with VPN after rebooting, edit some registry keys
- HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows NT\DNSClient\DnsPolicyConfig
- Rename DNSPolicyConfig to DNSPolicyConfig.old.
- Reboot the computer