XCOPY Date Switch Fails on 29th in Leap Year (152349)


The information in this article applies to:

  • Microsoft Windows NT Server 3.1
  • Microsoft Windows NT Workstation 3.1
  • Microsoft Windows NT Advanced Server 3.1
  • Microsoft Windows NT Workstation 3.5
  • Microsoft Windows NT Workstation 3.51
  • Microsoft Windows NT Server 3.5
  • Microsoft Windows NT Server 3.51
This article was previously published under Q152349

SYMPTOMS

If you specify a date of the 29th of any month in a leap year (using the /D:mm-29-yy switch), the XCOPY command fails with an incorrect parameter error.

WORKAROUND

To work around this problem, use one of the following methods:
  • Copy Xcopy32.exe from a Windows 95 computer and use it on your Windows NT computer instead of xcopy.exe. -or-
  • Upgrade to Windows NT version 4.0

STATUS

Microsoft has confirmed this to be a problem in Windows NT version 3.51. This problem has been corrected in Windows NT 4.0.

Modification Type:MajorLast Reviewed:12/16/2003
Keywords:KB152349
©2003 Microsoft Corporation. All rights reserved.