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What is dfsr.exe?

Part of Distributed File System Replication by Microsoft

What is it?

The Distributed File System Replication (DFSR) service is a state-based, multimaster replication engine that supports replication scheduling and bandwidth throttling. DFSR uses a compression algorithm known as remote differential compression (RDC).
Description of dfsr.exe from Microsoft
You can use the DFSR WMI provider to create tools for configuring and monitoring the DFSR service. RDC is a "diff-over-the wire" client/server protocol that can be used to efficiently update files over a limited-bandwidth network. RDC detects insertions, removals, and rearrangements of data in files, enabling DFSR to replicate only the changed file blocks when files are updated. For more information about DFSR, see Introduction to DFS Replication. DFSR is supported on Windows server operating systems beginning with Windows Server 2003 R2. It is supported on Windows Vista, but it is not supported on any other Windows client operating systems.
(dfsr.exe is a system file that is installed with Windows)
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How does dfsr.exe run?

Service - dfsr.exe runs as a background Windows Service, which is part of the Window's operating system under the service name DFSR.


What is the community is seeing?What is the community is doing?
About 0.1% of all Boost users have the dfsr.exe service running.Of the 0.1% of dfsr.exe users, less than 1% have disabled it.
Typical file (disk image) location:

Are there other versions of Distributed File System Replic...?

What else is related?

What Windows OS versions does this run on?

Microsoft Windows XP (5.1.2600.196608)
Windows Vista (TM) Home Basic (6.0.6001.65536)
Windows Vista (TM) Home Premium (6.0.6001.65536)
Windows Vista (TM) Ultimate (6.0.6001.65536)

About Microsoft Corporation

Microsoft, founded in 1975 by Bill Gates and Paul Allen, is a veteran software company, best known for its Microsoft Windows operating system and the Microsoft More...
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File details

File name: dfsr.exe
Publisher: Microsoft Corporation (verified)
Name: Distributed File System Replication
Description: Microsoft® Windows® Operating System
Version: 6.0.6001.18000 (longhorn_rtm.080118-1840)
Product version: 6.0.6001.18000
Size: 1.99 MB
Original file name: dfsr.exe
Windows file protection: Yes

Service details

Name: DFSR

Image hashes

MD5: fa3463f25f9cc9c3bcf1e7912feff099
SHA-1: 3ecd2d30d141082fbe32b1e5a49dad95d5469fa7
SHA-256: 8cfa0f1dfd975ed877b303eb55be52b0b1ec2b20fec36820121a0f5e046e0032

PE image details

File entropy: 6.38228
File packed: No
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