Minggu, 15 Maret 2009

Files on a home computer that are compressed by using NTFS compression may not be backed up correctly by Windows Home Server

On a home computer, you can compress some files by using NTFS compression through advanced attributes settings. In some cases, these files may not be backed up correctly by Windows Home Server. If you try to restore a compressed file from a Windows Home Server backup, the file may be corrupted.

Note Any Windows Home Server backup that includes NTFS compressed files may have this issue.

CAUSE
This issue occurs because of the way Windows Home Server backs up files that are...
This issue occurs because of the way Windows Home Server backs up files that are compressed by using NTFS compression.

Under certain circumstances, a compressed file may consume more disk space than the original file size. Some sections of a file may use less disk space after NTFS compression. However, other sections of a file may use more disk space after NTFS compression. If the compressed file uses more disk space than the original file, a small amount of data at the end of the file may be lost during the backup process. This data loss results in a corrupted file or a partially corrupted file, depending on the corresponding file types. The file types that may be affected by this issue include, but are not limited to, CAB, ZIP, JPG, and PNG.

RESOLUTION
An update is available for the Windows Home Server Connector software. This upda...
An update is available for the Windows Home Server Connector software. This update makes sure that NTFS compressed files are backed up correctly. You can download the update from the Microsoft Download Center. Then, you can install the update on all the home computers that have the Windows Home Server Connector software installed.

After you install this update, NTFS compressed files are backed up correctly. However, backups that you created before you installed the update may still contain corrupted files if the backups used NTFS compression.

This update will also be available as an update on the Microsoft Windows Update Web site.

Note This update is replaced by Windows Home Server Power Pack 1.

For more information, click the following article number to view the article in the Microsoft Knowledge Base:
944289 (http://support.microsoft.com/kb/944289/ ) Description of the Windows Home Server Power Pack 1 update

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