Topic Last Modified: 2006-02-13

The Microsoft® Exchange Server Analyzer Tool queries the CIM_Datafile Windows® Management Instrumentation (WMI).to verify that the Mountmgr.sys driver exists.

The Exchange Server Analyzer then reads the following registry value to determine which version of the Microsoft Windows® operating system is running on the Exchange server: HKEY_LOCAL_MACHINE\Software\Microsoft\Windows NT\CurrentVersion\CurrentVersion

If the CurrentVersion value equals 5.0, the Exchange server is running on Microsoft Windows 2000 Server. If the CurrentVersion value is 5.2, the Exchange server is running on Microsoft Windows Server™ 2003.

The Exchange Server Analyzer also queries the Win32_Service Microsoft Windows® Management Instrumentation (WMI) class to determine the value of the Started key for the Cluster service (ClusSvc). A value of TRUE indicates the Cluster service is started, and a value of FALSE indicates the Cluster service is not running.

The Exchange Server Analyzer displays a warning if the following conditions are true:

The warning indicates that if the Exchange cluster node environment is upgraded to Windows Server 2003 SP1, you will require the update referenced in the following section. Without this update you may experience volume mount point failures after the upgrade.

To correct this warning