Maximum length of the OEMPnpDriversPath value in Windows XP

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Article ID: 312535 - View products that this article applies to.
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In Microsoft Windows XP, the maximum length of the OEMPnpDriversPath value is 4,096 characters. This limit applies to unattended Setup, to the Sysprep tool, and to RIS installations. When you use Winnt.exe, the OEMPnpDriversPath value is limited to 1,024 characters.

More information

For additional information about the OEMPnpDriversPath value in earlier versions of Windows, click the following article numbers to view the articles in the Microsoft Knowledge Base:
285902 OEMPnpDriversPath in Sysprep.inf is limited to 2047 characters
276278 OemPNPDriversPath value limited to 99 characters in Winnt.exe
307950 Your computer may hang if the OemPnPDriversPath value is longer than 98 characters


Article ID: 312535 - Last Review: December 27, 2014 - Revision: 4.0
Applies to
  • Microsoft Windows XP Professional
  • Microsoft Windows XP Professional x64 Edition
  • Microsoft Windows XP Home Edition
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