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ITsVISTA KB-Link: KB972887

Error message when multiple network adapters are configured to use static IP addresses on a computer that is running Windows Server 2008 SP2 or Windows Vista SP2: “0x000000D1 DRIVER_IRQL_NOT_LESS_OR_EQUAL”

Consider the following scenario:

  • You have a computer that is running Windows Server 2008 Service Pack 2 (SP2) or Windows Vista SP2.
  • The computer has multiple network adapters.
  • Each network adapter is configured to use a static IP address.
  • The TCP/IP Forwarding feature is enabled on this computer.

In this scenario, a Stop error occurs and the operating system automatically restarts. Then, you receive the following Stop error:

0x000000D1 DRIVER_IRQL_NOT_LESS_OR_EQUAL

Note: This problem typically occurs when you restart the computer or when third-party teaming software switches the active network adapter.

There is a download that resolves this issue. See Hotfixes for details.
32-bit Download: Contact Microsoft
64-Bit Download: Contact Microsoft

For more information on this issue, including potential causes, workarounds, and resolutions, see: Microsoft KB Article KB972887.

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