A "Stop 0x00000050" Error Message Occurs During an Upgrade from Windows NT 4.0 to Windows 2000 (320057)
The information in this article applies to:
- Microsoft Windows 2000 Server
- Microsoft Windows 2000 Professional
- Microsoft Windows NT Server 4.0
- Microsoft Windows NT Workstation 4.0
This article was previously published under Q320057 IMPORTANT: This article contains information about modifying the registry. Before you
modify the registry, make sure to back it up and make sure that you understand how to restore
the registry if a problem occurs. For information about how to back up, restore, and edit the
registry, click the following article number to view the article in the Microsoft Knowledge Base:
256986 Description of the Microsoft Windows Registry
SYMPTOMS
You may receive the following error message while you are upgrading from Windows NT 4.0 to Windows 2000:
STOP 0x00000050 (0xBFFFB000,0x00000001,0x80461746,0x00000000)
Note that the first and third parameters in the error message may vary.
CAUSE
This error message may be caused by a buffer overflow. The buffer overflow may occur if there are too many ports in the TcpAllowedPorts registry key before you upgrade. In one case, adding more than 4,000 entries caused the error message.
RESOLUTIONWARNING: If you use Registry Editor incorrectly, you may cause serious problems that may
require you to reinstall your operating system. Microsoft cannot guarantee that you can solve
problems that result from using Registry Editor incorrectly. Use Registry Editor at your own
risk.
To resolve this problem, delete the TcpAlloedPorts key, or remove the entries. This key is located in the registry at:
SYSTEM\CurrentControlSet\Services\Tcpip\Parameters\Interfaces\{Interface ID}\TcpAllowedPorts STATUSMicrosoft has confirmed that this is a problem in the Microsoft products that are listed at the beginning of this article.
| Modification Type: | Major | Last Reviewed: | 5/28/2003 |
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| Keywords: | kberrmsg kbfix kbprb kbsetup KB320057 |
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