Err Msg: Setup Was Unable to Copy the Following File Cdrom.sys (229895)


The information in this article applies to:

  • Microsoft Windows NT Workstation 4.0
  • Microsoft Windows NT Server 4.0
  • Microsoft Windows NT Server, Enterprise Edition 4.0
This article was previously published under Q229895

SYMPTOMS

When you start an unattended installation of Windows NT 4.0 from an MS-DOS prompt, you may receive the following error message:
Setup was unable to copy the following file, cdrom.sys.
Also, in MS-DOS mode you may not be able to create or manipulate any file called Cdrom.sys.

CAUSE

This problem can occur if you load ATAPI Real Mode CD-ROM driver in the Config.sys file.

RESOLUTION

To resolve this problem, edit the Config.sys file. To do this, follow these steps:
  1. At the MS-DOS prompt, type edit config.sys, and then press ENTER.
  2. Find the Device= line that contains the ATAPI Real Mode CD-ROM driver.
  3. Edit the line so the /D: switch does not contain the word value cdrom. For example change the following line from

    Device=driver /d:cdrom

    to

    Device=driver /d:test1

    where driver is the path and file name of your CD-ROM driver.
Modification Type:MajorLast Reviewed:8/10/2001
Keywords:kbenv kbprb KB229895
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