File Replication Service (FRS): How to get most from FRSdiag

The File Replication Service (FRS) is a technology used to synchronize data between several data shares on different computers and often in different sites throughout an organization. Any change made to the FRS data is updated on all the partners that share this replication. This is the technology that also manages the contents of SYSVOL […]

The File Replication Service (FRS) is a technology used to synchronize data between several data shares on different computers and often in different sites throughout an organization. Any change made to the FRS data is updated on all the partners that share this replication. This is the technology that also manages the contents of SYSVOL on all the domain controllers in the domain. There are a lot of moving parts to FRS and you may need to troubleshoot why the contents are not consistent on all the SYSVOL servers.

FRSdiag is a .NET utility that can be used to gather diagnostics and troubleshoot FRS and can be run on any computer with administrative privileges against any computer running FRS. This utility can be downloaded at here. This report gathers data on all replica sets of which the target server is involved. This includes custom replica sets in the DFS namespace as well as SYSVOL replication. The example in this blog post reference SYSVOL replication, but the tips also pertain to replication in DFS. Below is a screenshot of the FRSDiag GUI interface.

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