Microsoft KB Archive/812802

= BackupRead Cannot Read a File with a 0-Byte Alternate Data Stream =

Article ID: 812802

Article Last Modified on 2/1/2007

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APPLIES TO


 * Microsoft Windows 2000 Advanced Server
 * Microsoft Windows 2000 Advanced Server
 * Microsoft Windows 2000 Advanced Server
 * Microsoft Windows 2000 Service Pack 3
 * Microsoft Windows 2000 Service Pack 2
 * Microsoft Windows 2000 Service Pack 1
 * Microsoft Windows 2000 Service Pack 3
 * Microsoft Windows 2000 Service Pack 2
 * Microsoft Windows 2000 Service Pack 1

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SYMPTOMS
If a file has an alternate data stream and the alternate data stream's length is zero bytes, the BackupRead function performs a read that is not valid, finds incorrect data, and does not read the rest of the file.



Service Pack Information
To resolve this problem, obtain the latest service pack for Microsoft Windows 2000. For additional information, click the following article number to view the article in the Microsoft Knowledge Base:

260910 How to Obtain the Latest Windows 2000 Service Pack

Hotfix Information
A supported fix is now available from Microsoft, but it is only intended to correct the problem that is described in this article. Apply it only to computers that are experiencing this specific problem. This fix may receive additional testing. Therefore, if you are not severely affected by this problem, Microsoft recommends that you wait for the next Windows 2000 service pack that contains this hotfix.

To resolve this problem immediately, contact Microsoft Product Support Services to obtain the fix. For a complete list of Microsoft Product Support Services phone numbers and information about support costs, visit the following Microsoft Web site:

http://support.microsoft.com/contactus/?ws=support

NOTE: In special cases, charges that are ordinarily incurred for support calls may be canceled if a Microsoft Support Professional determines that a specific update will resolve your problem. The typical support costs will apply to additional support questions and issues that do not qualify for the specific update in question.

The English version of this fix has the file attributes (or later) that are listed in the following table. The dates and times for these files are listed in coordinated universal time (UTC). When you view the file information, it is converted to local time. To find the difference between UTC and local time, use the Time Zone tab in the Date and Time tool in Control Panel.

  Date         Time   Version        Size       File name --  17-Jan-2003  21:57  5.0.2195.6655    222,992  Gdi32.dll 17-Jan-2003 21:57  5.0.2195.6656    710,928  Kernel32.dll 17-Jan-2003 21:57  5.0.2195.6623    333,584  Msgina.dll 17-Jan-2003 21:57  5.0.2195.6655    379,664  User32.dll 17-Jan-2003 21:57  5.0.2195.6620    388,368  Userenv.dll 15-Jan-2003 17:53  5.0.2195.6655  1,620,016  Win32k.sys 16-Dec-2002 20:25  5.0.2195.6623    179,984  Winlogon.exe 17-Jan-2003 21:57  5.0.2195.6655    243,472  Winsrv.dll



STATUS
Microsoft has confirmed that this is a problem in the Microsoft products that are listed at the beginning of this article. This problem was first corrected in Microsoft Windows 2000 Service Pack 4.



MORE INFORMATION
For additional information about how to obtain a hotfix for Windows 2000 Datacenter Server, click the article number below to view the article in the Microsoft Knowledge Base:

265173 The Datacenter Program and Windows 2000 Datacenter Server Product

Keywords: kbbug kbfix kbwin2000presp4fix kbqfe kboswin2000fix kbwin2ksp4fix kbhotfixserver KB812802

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