If your Windows 2000 installation experiences a problem, you can use the Chkdsk disk repair utility included in Windows 2000 to ensure that the file system integrity and the hard disk integrity are sound. The Chkdsk utility creates and displays a status report for a disk based on the file system used. Chkdsk also lists and corrects errors on the disk. You can run Chkdsk from within Windows 2000. If you are unable to start Windows 2000 as a result of the problem, you can run Chkdsk from Windows 2000 Recovery Console in Windows 2000 Setup.

For more information about how to run Chkdsk to repair a damaged file, folder, or file system, see Microsoft Knowledge Base article Q176646, "Error Message: The File or Directory Is Corrupt..." (http://go.microsoft.com/fwlink/?LinkId=3052&ID=176646). For more information about how to run Chkdsk from Windows 2000 Recovery Console, see Microsoft Knowledge Base article Q229716, "Description of the Windows 2000 Recovery Console" (http://go.microsoft.com/fwlink/?LinkId=3052&ID=229716).

Note If the Chkdsk utility cannot lock the drive, it will offer to check the drive the next time the computer restarts.
Also, if you run Chkdsk on a fixed disk, you must be a member of the Administrators group.

Tip Some third-party diagnostic and repair software packages have advanced features for verifying the integrity of your hard drive, the file system, and the data contained therein.

The information in this article applies to:

• Microsoft Exchange Server 2003 Enterprise Edition
• Microsoft Exchange Server 2003 Standard Edition
• Microsoft Windows Small Business Server 2003, Premium Edition
• Microsoft Windows Small Business Server 2003, Standard Edition
• Microsoft Exchange 2000 Server