IP address and default gateway settings are assigned incorrectly in Windows Vista, in Windows Server 2008, in Windows 7, and in Windows Server 2008 R2

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Article ID: 2473489 - View products that this article applies to.
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SYMPTOMS

On a computer that is running Windows Vista, Windows Server 2008, Windows 7, or Windows Server 2008 R2, you may experience one of the following issues:
  • IP address and default gateway settings are assigned incorrectly.
  • After you configure additional IP addresses, the IP addresses are displayed incorrectly when you run the ipconfig command.
  • After you restart the computer, IP address settings revert to previous settings. 

CAUSE

These issues occur because of conflicts between TCP/IP registry settings and data that are managed by Network Input Output (NetIO). In Windows Vista or in later versions of Windows, IP address and default gateway settings are managed by both TCP/IP registry settings and NetIO components. TCP/IP registry settings are under the following registry subkey:
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\services\Tcpip
 

WORKAROUND

To work around this issue, run the following command to resolve the conflict:
netsh interface ip reset
 After you run the command, previous IP address and default gateway settings are reset, and you can reconfigure to the correct settings.  

STATUS

Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.

Properties

Article ID: 2473489 - Last Review: May 25, 2011 - Revision: 1.0
APPLIES TO
  • Windows 7 Enterprise
  • Windows 7 Home Basic
  • Windows 7 Home Premium
  • Windows 7 Professional
  • Windows 7 Starter
  • Windows 7 Ultimate
  • Windows Vista Business
  • Windows Vista Enterprise
  • Windows Vista Home Premium
  • Windows Vista Starter
  • Windows Vista Ultimate
  • Windows Vista Home Basic
  • Windows Server 2008 R2 Datacenter
  • Windows Server 2008 R2 Enterprise
  • Windows Server 2008 R2 Foundation
  • Windows Server 2008 R2 Standard
  • Windows Server 2008 Datacenter
  • Windows Server 2008 Enterprise
  • Windows Server 2008 Foundation
  • Windows Server 2008 Standard
Keywords: 
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