Microsoft KB Archive/829246

= Event logs are corrupted =

Article ID: 829246

Article Last Modified on 2/21/2007

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APPLIES TO


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

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SYMPTOMS
On a Microsoft Windows 2000-based computer, the event logs may become corrupted.



CAUSE
This behavior may occur if the event logs are full, and the event log wrapped.



Update information
To resolve this problem, obtain Update Rollup 1 for Windows 2000 Service Pack 4 (SP4). For more information, click the following article number to view the article in the Microsoft Knowledge Base:

891861 Update Rollup 1 for Windows 2000 SP4 and known issues

Hotfix information
A supported hotfix is now available from Microsoft, but it is only intended to correct the problem that this article describes. Apply it only to systems that are experiencing this specific problem.

To resolve this problem, contact Microsoft Product Support Services to obtain the hotfix. 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/default.aspx?scid=fh;[LN;CNTACTMS]

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 usual support costs will apply to additional support questions and issues that do not qualify for the specific update in question.

Prerequisites
To install this hotfix, you must have Windows 2000 Service Pack 3 (SP3) or later installed on the computer. Besides applying the hotfix, you may have to clean up the corrupted event log files.

Restart requirement
You must restart the computer after you apply this hotfix.

Hotfix replacement information
This hotfix does not replace any other hotfixes.

File information
The English version of this hotfix has the file attributes (or later file attributes) 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 ---  16-Oct-2003  04:31  5.0.2195.6866  47,376  Eventlog.dll Note If you cannot view the event log after the hotfix installation, save and clear the event log one time.



WORKAROUND
To work around this problem, clear the event log. This workaround is only temporary. The problem may recur when the event logs fill and wrap again.



STATUS
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the &quot;Applies to&quot; section. This problem was first corrected in Windows 2000 Service Pack 4 Update Rollup 1.



MORE INFORMATION
For more information, click the following article number to view the article in the Microsoft Knowledge Base:

900345 Fixes that are included in the Update Rollup 1 for Microsoft Windows 2000 Service Pack 4 that is dated June 28, 2005

For more information, click the following article number to view the article in the Microsoft Knowledge Base:

816915 New file naming schema for Microsoft Windows software update packages

The hotfix in this article is included in the list of recommended hotfixes to be proactively applied to Windows 2000 server clusters. For more information about this list, click the following article number to view the article in the Microsoft Knowledge Base:

895090 Recommended hotfixes for Windows 2000 Service Pack 4-based server clusters

This hotfix should be evaluated and applied proactively to all server clusters that are prone to be negatively affected by the problem that is described in this article.

Additional query words: corrupt, Blank Event Log, System Log, Overwrite, Event Viewer, EVT

Keywords: kbhotfixserver kbqfe kbbug kbfix kbqfe kbwin2000presp5fix KB829246

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