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Q: VPN client was unable to setup IP filtering

  • When trying to connect to MIT's VPN from my windows computer, the computer cannot connect.
  • When connection fails, there is an error box:

    The VPN client was unable to setup IP filtering. A VPN connection will not be established.


  • Using Cisco AnyConnect VPN software
  • Running Windows

In the Event Viewer (eventvwr.msc), the "Cisco AnyConnect VPN Client", there are log entries like:

Function: CChangeRouteHelper::AddRouteChange
File: .\ChangeRouteHelper.cpp
Line: 1295
Invoked Function: AddRouteChange
Return Code: -33095667 (0xFE07000D)


  • One situation that may cause this is if a Windows component named "Base Filter Engine" (BFE) is not working properly.
  • The following Cisco support forum thread has pointers for how to fix the BFE service and registry


Documentation and information provided by the MIT Community

Last Modified:

May 16, 2012

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