To apply this hotfix, you must have Service Pack 1 installed in Windows 7 or Windows Server 2008 R2. If you do not see your language, it is because a hotfix is not available for that language. The "Hotfix download available" form displays the languages for which the hotfix is available. For a complete list of Microsoft Customer Service and Support telephone numbers or to create a separate service request, visit the following Microsoft website: The usual support costs will apply to additional support questions and issues that do not qualify for this specific hotfix. Note If additional issues occur or if any troubleshooting is required, you might have to create a separate service request. If this section does not appear, contact Microsoft Customer Service and Support to obtain the hotfix. If the hotfix is available for download, there is a "Hotfix download available" section at the top of this Knowledge Base article.
Therefore, if you are not severely affected by this problem, we recommend that you wait for the next software update that contains this hotfix.
This hotfix might receive additional testing. Apply this hotfix only to systems that are experiencing the problem described in this article. However, this hotfix is intended to correct only the problem that is described in this article. Therefore, you have to run the Chkdsk command together with the /f or /r parameter after you apply the hotfix.įor more information about the Chkdsk command, see Chkdsk.Ī supported hotfix is available from Microsoft. Note This hotfix does not fix the existing file system corruption. To resolve this issue, we have released hotfixes for Windows 7 or Windows Server 2008 R2. Check out the prerequisites of the hotfix. In this situation, file corruption may occur, and NTFS event ID 55 may be logged. When the system tries to extend the BITMAP attribute, there is no transaction in progress, and the attribute snapshots are purged before the system starts to process the exception.
This issue occurs because the BITMAP attribute of the NTFS metafile cannot roll back when an exception is raised after you modify the metafile. Specifically, the following event is logged in the System log: Additionally, because of file system corruption, the server may crash. The cluster size (also known as the allocation unit size) for an NTFS volume is larger than 4 kilobytes (KB). You have a file server that is running Windows 7 or Windows Server 2008 R2. When both of the following conditions are met, event ID 55 may be logged.
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