Troubleshooting FRS Using FRSDiag

FRSDiag is an easy-to-use tool that replaces the Health_Chk tool used to gather FRS information. FRSDiag provides a graphical user interface for choosing which information to gather and analyzes the results to identify common FRS and Active Directory problems.

FRSDiag is recommended in the following scenarios:

The following sections describe FRSDiag.

Minimum Requirements

You can run FRSDiag on Windows 2000 Server, Windows Server 2003, Windows XP, and Windows 2000 Professional. To run FRSDiag, you must have .NET Framework version 1.1 installed. The .NET Framework 1.1 is included in Windows Server 2003, or you can download it from The .NET Framework 1.1 is included in Windows Server 2003 and can be installed on Windows 2000 (with SP2 recommended) and Windows XP Professional.

Installing and Running FRSDiag

Run FRSDiag.exe to extract the files, and then run the extracted FRSDiag.exe to start the program.

Information FRSDiag Collects By Default

Additional Information that FRSDiag Creates

FRSDiag Tools

Tests FRSDiag Performs

FRSDiag performs the following tests. An asterisk (*) next to a test means that a failure might not necessarily indicate a problem.

FRS Event Log*

DS Event Log*


Ntfrs_DS Services

Ntfrs_Replica Sets


Ntfrs_Config Table:



FRS Debug Logs

Services and File shares

Tests if SYSVOL and NETLOGON file shares exist and are accessible*

Repadmin /showreps