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DFS-R: The read-only mini-filter driver must always be loaded on servers that have read-only DFS replicated folders

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Updated: April 27, 2010

Applies To: Windows Server 2008 R2, Windows Server 2012

This topic is intended to address a specific issue identified by a Best Practices Analyzer scan. You should apply the information in this topic only to computers that have had the File Services Best Practices Analyzer run against them and are experiencing the issue addressed by this topic. For more information about best practices and scans, see Best Practices Analyzer.

Operating System

Windows Server 2008 R2

Product/Feature

File Services

Severity

Error

Category

Operation

Issue

A read-only replicated folder has been configured on this server but the DFS Replication service’s read-only mini-filter driver is not loaded.

Impact

Users and applications will be able to modify or delete the contents of the read-only replicated folder on this server.

Resolution

Load the DFS Replication service's read-only mini-filter driver.

To load the read-only mini-filter driver, open a Command Prompt window while logged on with an account that is a member of the local Administrators group, and then type the following command: fltmc load DfsrRo.