Microsoft KB Archive/937040

= Error message when you try to include a non-cluster disk drive in the FSRM storage report scope on a Windows Server 2003 R2-based computer: &quot;You have chosen an invalid combination of paths for the report scope&quot; =

Article ID: 937040

Article Last Modified on 11/2/2007

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APPLIES TO


 * Microsoft Windows Server 2003 R2 Standard Edition (32-bit x86)
 * Microsoft Windows Server 2003 R2 Enterprise Edition (32-Bit x86)
 * Microsoft Windows Server 2003 R2 Datacenter Edition (32-Bit x86)
 * Microsoft Windows Server 2003 R2 Standard x64 Edition
 * Microsoft Windows Server 2003 R2 Enterprise x64 Edition
 * Microsoft Windows Server 2003 R2 Datacenter x64 Edition

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SYMPTOMS
A Microsoft Windows Server 2003 R2-based computer is running in a cluster environment. File Server Resource Manager (FSRM) is installed on the computer. When you generate a storage report in the FSRM Microsoft Management Console (MMC) snap-in, you can include only disk drives that are in a cluster resource group in the report scope. If you try to include a non-cluster disk drive, you receive the following error message:

Selected report scope paths:

You have chosen an invalid combination of paths for the report scope. On clustered deployments, all report scope paths should be set on volume that belong to the same cluster resource group. Please select valid report scope paths.



CAUSE
The FSRM MMC snap-in checks whether the selected volumes are in the same cluster resource group. FSRM prevents administrators from generating reports on local drives. Additionally, FSRM creates a scheduled task resource when FSRM schedules a report. This scheduled task resource depends on the disk resources in the resource group.

This behavior is designed for a failover scenario in the cluster environment. If the disk resources fail over from one node to another, the scheduled task resource will also fail over to the second node. If a non-cluster disk drive is included in the report scope, the storage report cannot run correctly because the non-cluster disk drive cannot fail over.

Note The Quota Management feature and the File Screening Management feature are not affected by this behavior.



WORKAROUND
To work around this behavior, use the Storrept.exe command-line tool to generate the storage report.

Note The Storrept.exe tool does not apply the same check as the FSRM MMC snap-in applies. The scheduled task is not cluster-aware. If a failover occurs, the scheduled task will not fail over to another node. In this case, the storage report may not run as expected.



STATUS
This behavior is by design.



MORE INFORMATION
The Storage Reports Management feature of FSRM lets network administrators generate storage reports on demand and periodically. These reports can help network administrators discover trends in disk usage. For more information about FSRM and about the Storage Reports Management feature, visit the following Microsoft Web site:

http://technet.microsoft.com/en-us/library/bb735161.aspx

Keywords: kbtshoot kbexpertiseinter kberrmsg kbprb KB937040

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