Microsoft KB Archive/250681

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Access Violation in Mprouter.exe with Hardcoded Breakpoint Within OSPF

PSS ID Number: 250681

Article Last Modified on 10/16/2002

The information in this article applies to:

  • Microsoft Windows NT Server, Enterprise Edition 4.0 SP6a
  • Microsoft Windows NT Server 4.0 SP6a

This article was previously published under Q250681


When you are using the Open Shortest Path First (OSPF) routing protocol with the Routing and Remote Access service (RRAS), the following error message may occur:

Dr Watson for Windows NT
Exception: hardcoded breakpoint (0x80000003)

This can occur when you are using two or more IP address per network adapter, two of the addresses are enabled in the OSPF routing protocol, and a router in area is removed.


A supported fix is now available from Microsoft, but it is only intended to correct the problem that is described in this article. Apply it only to computers that are experiencing this specific problem. This fix may receive additional testing. Therefore, if you are not severely affected by this problem, Microsoft recommends that you wait for the next Windows NT 4.0 service pack that contains this fix.

To resolve this problem immediately, contact Microsoft Product Support Services to obtain the fix. For a complete list of Microsoft Product Support Services phone numbers and information about support costs, visit the following Microsoft Web site:

NOTE: In special cases, charges that are ordinarily incurred for support calls may be canceled if a Microsoft Support Professional determines that a specific update will resolve your problem. The typical support costs will apply to additional support questions and issues that do not qualify for the specific update in question.

The English version of this fix should have the following file attributes or later:

   Date      Time       Size     File name     Platform
   2/15/00   06:58 pm   75,024   Ospfmib.dll   Intel
   2/15/00   06:57 pm   93,456   Ospfmib.dll   Alpha


Microsoft has confirmed that this is a problem in the Microsoft products that are listed at the beginning of this article.

Keywords: kbbug kbQFE KB250681
Technology: kbWinNT400search kbWinNTS400search kbWinNTS400sp6 kbWinNTsearch kbWinNTSEnt400SP6a kbWinNTSEntSearch kbWinNTSsearch