VPN Error 691 W 7 64bit

I can't connect to the remote VPN. I did it successfully 1 week ago, when using XP.

Verifying username and password stays too long and after that this error occurs.
I've tried many things, but none of them worked. It is 100% sure that I enter the correct username, password and domain name. Liek I said works properly in XP...
Please help. Seems a lot of people have this problem.

Here is my dxdiag:
System Information
Time of this report: 5/9/2010, 14:24:55
       Machine name: ****
   Operating System: Windows 7 Enterprise 64-bit (6.1, Build 7600) (7600.win7_gdr.100226-1909)
           Language: Bulgarian (Regional Setting: Bulgarian)
System Manufacturer: System manufacturer
       System Model: System Product Name
               BIOS: BIOS Date: 04/30/09 14:56:48 Ver: 08.00.14
          Processor: AMD Athlon(tm) 64 X2 Dual Core Processor 6000+ (2 CPUs), ~3.0GHz
             Memory: 2048MB RAM
Available OS Memory: 2048MB RAM
          Page File: 1395MB used, 2699MB available
        Windows Dir: C:\Windows
    DirectX Version: DirectX 11
DX Setup Parameters: Not found
   User DPI Setting: 120 DPI (125 percent)
 System DPI Setting: 96 DPI (100 percent)
    DWM DPI Scaling: Disabled
     DxDiag Version: 6.01.7600.16385 64bit Unicode

DxDiag Notes
      Display Tab 1: No problems found.
        Sound Tab 1: No problems found.
        Sound Tab 2: No problems found.
          Input Tab: No problems found.

DirectX Debug Levels
Direct3D:    0/4 (retail)
DirectDraw:  0/4 (retail)
DirectInput: 0/5 (retail)
DirectMusic: 0/5 (retail)
DirectPlay:  0/9 (retail)
DirectSound: 0/5 (retail)
DirectShow:  0/6 (retail)

Display Devices
          Card name: NVIDIA GeForce 8600 GT 
       Manufacturer: NVIDIA
          Chip type: GeForce 8600 GT
           DAC type: Integrated RAMDAC
         Device Key: Enum\PCI\VEN_10DE&DEV_0402&SUBSYS_82431043&REV_A1
     Display Memory: 1267 MB
   Dedicated Memory: 499 MB
      Shared Memory: 767 MB
       Current Mode: 1680 x 1050 (32 bit) (59Hz)
       Monitor Name: Generic PnP Monitor
      Monitor Model: VW202
         Monitor Id: ACI20A2
        Native Mode: 1680 x 1050(p) (59.954Hz)
        Output Type: HD15
        Driver Name: nvd3dumx.dll,nvwgf2umx.dll,nvwgf2umx.dll,nvd3dum,nvwgf2um,nvwgf2um

What are your network settings? What VPN connection manager are you using?


Microsoft Windows Client Team

What are your network settings? What VPN connection manager are you using?


Microsoft Windows Client Team
I am using the built-it windows client. My settings - static IPv4 address, LAN network. No limitations from ISP, no firewall interfering.

I have the same problem as well. Is anybody there able to help on this, i really need my VPN connection to work at least the same like in Vista.

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