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June 15, 2001 12:00 AM

The Ipconfig command returns 'Fatal Error: Inconsistent Registry Contents.' What can I do?

John Savill
Windows IT Pro
InstantDoc ID #21401
Rating: (0)

A. This problem can occur if you use Checkpoint Firewall or VPN software and you delete the registry key for a NIC or make substantial changes to the network on a Windows NT 4.0 server/workstation. To resolve the problem, perform the following steps:

  1. Remove CheckPoint Firewall or your VPN software.
  2. Copy tcpip.sys from the latest service pack to %systemroot%\system32.
  3. If the tcpip.sys file is compressed (tcpip.sy_), use the following command to extract it:
    expand c:\winnt\system32\tcpip.sy_ c:\winnt\system32
  4. Reboot the PC.
  5. Reinstall CheckPoint Firewall or your VPN software.

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