Microsoft KB Archive/328423

= Active Directory Backup Is Canceled If a File Is Busy =

Article ID: 328423

Article Last Modified on 2/19/2007

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APPLIES TO


 * Microsoft Windows 2000 Professional Edition
 * Microsoft Windows 2000 Server
 * Microsoft Windows 2000 Advanced Server

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This article was previously published under Q328423





SYMPTOMS
The process of backing up Active Directory Backup is canceled if a busy file is encountered. The Active Directory backup process returns error code 0XC8000408 (JET_errFileAccessDenied) and you must start the backup process again from the beginning.



CAUSE
The DSBackupOpenFile function (one of the Active Directory backup functions) returns error code 0XC8000408 (JET_errFileAccessDenied) if it encounters a busy file. Later calls to DSBackupOpenFile return error code 0xC8000208 (JET_errNoBackup), and you must start the backup process again from the beginning. The most common cause of this problem is an antivirus program that holds a file open. After you apply the hotfix that is described in this article, DSBackupOpenFile retries the open action for a maximum of 10 seconds if the function encounters an &quot;access denied&quot; error. If you still experience the problem after you install the hotfix, contact Microsoft for more help.



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 -  05-Nov-2002  11:53  6.1.3940.30  1,115,408  Esent.dll



WORKAROUND
To work around this problem, call the CreateFile function in a loop until the function can open the file before you call the DSBackupOpenFile function.



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

Additional query words: kbMDAC

Keywords: kbhotfixserver kbqfe kbwin2ksp4fix kbbug kbfix kbwin2000presp4fix KB328423

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