Topic Last Modified: 2005-11-18

The Microsoft® Exchange Server Analyzer Tool queries the Win32_DiskDrive Microsoft Windows® Management Instrumentation (WMI) class to determine the value for the Status key for each disk. If the Exchange Server Analyzer determines that the value of the Status key for any disk does not equal OK, an error is displayed.

The Status key provides the current status of the disk object. Various operational and non-operational statuses can be defined. Operational statuses include:

The Status key is inherited from the CIM_ManagedSystemElement WMI class, which includes the following values:

Generally, Microsoft does not provide documentation about troubleshooting disk failures for specific hardware vendors.

To correct this error

  1. Verify all disk and cable connections, wait 10 minutes, and then check the value for Status.

  2. If the value returned is not a maintenance mode value (for example, the value does not equal Service, you should follow the disk troubleshooting steps recommended by your hard disk manufacturer. In some cases, your hard disk manufacturer may have troubleshooting software that you can install to analyze the problem.

For generic storage information related to Exchange, see "Storage Solutions for Microsoft Exchange 2000 Server" in the Microsoft Download Center (

For generic storage information related to Microsoft Windows Server™ 2003, see "Windows Server 2003 Storage Services" in the Microsoft Windows Server 2003 TechCenter (

For generic storage information related to Windows 2000 Server, see "Windows 2000 Storage Services" in the Windows 2000 Web site (