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Monitoring and Troubleshooting Active Directory Replication Using Repadmin

Applies To: Windows Server 2003, Windows Server 2003 R2, Windows Server 2003 with SP1, Windows Server 2003 with SP2, Windows Server 2008, Windows Server 2008 R2

This document describes how to use the Repadmin.exe tool to monitor, diagnose, and troubleshoot common replication problems in your Active Directory® environment. All the information in this document applies to computers running the Microsoft® Windows® 2000 Server and Windows Server® 2003 operation systems. This document includes the following topics:

To obtain a copy of this guide in .doc file format, see Troubleshooting replication with repadmin on the Microsoft Download Center (

Publication and revision history

The following table summarizes the revision history for this guide, including its original publication on Microsoft TechNet.



June 2008

Original publication on TechNet.

March 2010

Updated with new commands for managing read-only domain controllers in Windows Server 2008 and Windows Server 2008 R2. For more information, see Administer Passwords and Password Replication Policy for Read-Only Domain Controllers with Repadmin.exe.