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What is dfssvc.exe?

Part of Windows NT Distributed File System Service 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 dfssvc.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.
(dfssvc.exe is a system file that is installed with Windows)
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How does dfssvc.exe run?

Service - dfssvc.exe runs as a background Windows service called 'Dfs' (DFS Namespace). This is a system service that is installed with the Windows operating system and protected with Window's File Protection. This service runs as the SYSTEM account with extensive privileges on the local computer, and acts as the computer on the network. DFS Namespace runs as a program that can be started by the Service Controller and that obeys the service control protocol. This type of service runs in a process by itself.


What is the community is seeing?What is the community is doing?
About 0.6% of all Boost users have the dfssvc.exe process running.Of the 0.6% of dfssvc.exe users, less than 1% have disabled it.
How resource intensive is dfssvc.exe?
Comparison based on the average resource utilization across all programs.
     1.43 MB RAM6.6%
Average private memory utilization across all programs is 21.53 MB.
 2 /min0.1%
Average I/O read and write operations for all programs is 2,253 per minute.
Typical file (disk image) location:

Are there other versions of Windows NT Distributed File Sy...?

What else is related?

What Windows OS versions does this run on?

Windows Server 2012 Standard Evaluation (6.2.9200.0)

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: dfssvc.exe
Publisher: Microsoft Corporation (verified)
Name: Windows NT Distributed File System Service
Description: Microsoft® Windows® Operating System
Version: 6.2.9200.16384 (win8_rtm.120725-1247)
Product version: 6.2.9200.16384
Size: 389.5 KB
Original file name: dfssvc.exe
Windows file protection: Yes

Resource utilization

CPU utilization averages
Total CPU: 0.0000149999%
Privileged CPU: 0.0000149999%
User CPU: 0%
Privileged CPU time: 15.6 ms
Privileged CPU time /min: 0 ms
CPU cycle count: 93,707,719
CPU cycle count /min: 63,157
Memory utilization averages
Committed memory: 25.08 MB
Peak committed memory: 25.71 MB
Paged memory: 1.43 MB
Peak paged memory: 1.54 MB
Paged system memory: 39.14 KB
Non-paged system memory: 7.73 KB
Working set memory: 3.56 MB
Peak working set memory: 3.58 MB
Min working set memory: 3.45 MB
Private memory: 1.43 MB
Page faults: 923
Page faults /min: 1
Process I/O averages
Total read operations: 1
Read operations /min: 1
Total read transfer: 116 Bytes
Read transfer /min: 0 Bytes
Total write operations: 1
Write operations /min: 1
Total write transfer: 160 Bytes
Write transfer /min: 0 Bytes
Total other operations: 95
Other operations /min: 1
Total other transfer: 308 Bytes
Other Transfer /min: 0 Bytes
Handle count average: 89
Thread count average: 11

Process details

Runs as (owner): System
Integrety level: System
Windows platform: 64-bit
Runs as a service: Yes
Parent Process
Process Command

Service details

Name: DFS Namespace
Service name: Dfs
Service type: Win32OwnProcess
Description: “Enables you to group shared folders located on different servers into one or more logically structured namespaces. Each namespace appears to users as a single shared folder with a series of subfolders.”

Image hashes

MD5: 41979ee86192203eb051049818a8b5c0
SHA-1: f19d00a520e62c260828258f4f55516217e7f0ee
SHA-256: b9c4ce9ab9d854a56b2652262b7b823f9b38999aeac94f90889e57fae1b9112f

PE image details

File entropy: 6.53315
File packed: No
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