Microsoft KB Archive/262243

= &quot;Ntldr Is Corrupt&quot; Error Message When Starting a PXE-Enabled Client =

Article ID: 262243

Article Last Modified on 11/1/2006

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APPLIES TO


 * Microsoft Windows 2000 Professional Edition

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This article was previously published under Q262243



SYMPTOMS
When you start a PXE-enabled client, you may receive the following error message:

NTLDR is corrupt. The system cannot boot.



CAUSE
This behavior occurs when the \RemoteInstall\OSChooser\I386\NTLDR file is corrupted or is replaced with an incorrect version (such as the Ntldr file from the Windows 2000 source media).

Any file operation can cause the error message to occur (for example, if you copy the wrong file, if the file becomes corrupted because of the file system driver, or because of backup and restore problems.



RESOLUTION
To resolve this issue, on the Remote Installation Service (RIS) server, rename the %SystemRoot%\System32\RemInst\Oschoice.exe file to Ntldr and put the file in the \RemoteInstall\OSChooser\I386 folder.



MORE INFORMATION
When a PXE client successfully contacts a RIS server, the client is given the Startrom.com file that it uses to boot. The Startrom.com file requests the Ntldr file so that an operating system can be loaded. If the loader is not available, the imaging process is unsuccessful.

Additional query words: oschoice.exe fail fails

Keywords: kberrmsg kbprb KB262243

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