DFS (Distributed File System) Replication is a file replication technology originally shipped with Microsoft's Windows Server 2003 R2 operating system.

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Does DFSR service exclusively lock files?

I am getting intermittent errors in a single threaded application that writes a large file on a share that is replicated by DFSR. The error is: The process cannot access the file ...
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1k views

DFS linking to a target folder within another target folder

Windows Server 2012 - Attempting to setup a file server using DFS I have the following scenario: Namespace: \\domain\resources Folder without targets: Files > \\domain\resources\files Folders with ...
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DFS-R NTFS Permissions Not Working?

I have two Windows 2008 Standard servers running DFSR okay. I can create a file on one server and it is replicated to the other okay, etc. I have the namespace shared folder on each server shared ...
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Windows registry key 'FilesNotToBackup' with 'DFSR Replicated Folder…' values?

Our Windows File Server (2012 R2) has many values in the "FilesNotToBackup" registry key setting DFSR Replicated Folders exclusions, like this: Microsoft doc here Most of the exclusions are right, ...
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1k views

Alternative to DFS-R on Amazon EC2 Windows Servers

For hosting our web sites in a Windows load-balanced environment we've traditionally used DFSR to sync folders between servers with our hosting company. We're looking to migrate a lot of our sites to ...
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DFSR fails before initialization. Event ID: 4010, 3006, 2010, 4004

I have a 2 server DFSR configuration where I am attempting to replicate two shares between them. ServerA (2008R2) is the primary and ServerB(2012R2) is the receiver, both are DCs. The RepFolder on ...
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67 views

Robocopy script copied permissions/subfolders everything but NOT shares

I ran this command on my new server: ROBOCOPY "\\oldserver\e$\folder" "e:\folder\" /COPYALL /SEC /MIR /LOG:logs.txt It copies all permission and mirrored my folder but later I realized that shares ...
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DFS configuration through powershell in AWS [closed]

What my task is: Trying to automate DFSR installation as well as configuration through powershell. I've two AWS test instances with AWS directory services running. So, obviously my domain is with AWS ...
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114 views

Use the DFSR Module on a Windows 2012 R2 Server Core

I have a standard Windows 2012 R2 box setup with server core. I have the file server roles installed along with DFSR. I want to use the powershell tools like Get-DfsrState and other Get-Dfsr* to ...
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112 views

Why do files end up being filled entirely with null bytes after replication using DFSR?

We're using Microsoft's Distributed File System for replication. In our scenario we have a single writer that creates/overwrites/deletes files and several distributed readers. The writer is running ...
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334 views

“Virtual recycle bin” for DFS?

Does anyone know any way to have a "virtual recycle bin" for a server that makes DFS? I've been googling and not get anything straight. At my company we do daily incremental backups of everything, ...
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35 views

Invalid method Parameter when calling DfsrConnectionInfo->ForceReplication() with WMIC

In our AD infrastructure the SYSVOL is replicated by DFSR. I want to force replication using WMI (ForceReplication method) via WMIC: wmic /namespace:\\root\microsoftdfs path DfsrConnectionInfo call ...
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48 views

Do DFS logs contain folder permission changes?

I have a DFS server sharing files and want to see when an admin gave read/write/full control to a user in a DFS share. Is there any way I can view this? I have checked in C:\Windows\Debug but the log ...
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Can anybody explain why DFS-Replication is not supported on Cluster Shared Volumes (CSVs)?

Hopefully this question is objective and appropriate for ServerFault... I've read in numerous places that DFS-Replication is not supported on CSVs but have yet to come across any information which ...
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Is DFS-Replication supported on a VHDX which resides on a CSV?

DFS-Replication is not supported on CSVs but is it supported/acceptable to do DFS-R on a file server whose VHDX resides on a CSV? I haven't been able to find a definitive answer anywhere. We're ...
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19 views

How perform a offline defrag of the the DFS Database

I have read in some posts that an offline defrag of DFS database you should do in case of an error (Jet Errors for example) during replication. Unfortunately, nowhere do I find a guide on how I can ...
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73 views

DFS Pathing for Folder Redirection in Multi-Site Environment

Currently, user profiles are redirected to single DFS path \\domain.com\dfsroot\redirect\%username%. Now we need to change pathing to accommodate both selective DFS replication to sites and also have ...
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DFS-R Replicating only one way. Replication on outbound stuck on arrival pending

I have TWO Windows 2012 r2 servers with identical paths and drive names (not on purpose). If I create a folder on server A the folder instantly replicates to server B. However If I create a folder on ...
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107 views

DFS initial replication - not enough storage is available to process this command (target on Synology NAS)

On a Windows 2003 SBS server, I am trying to replicate a share via DFS to a Synology File Server. In the Configure Replication Wizard, the target has a red X across it with the message "Unknown: Not ...
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60 views

DFS replication is only working one way

We have 2 servers connected over a VPN. Each can access the other server using the name of the server. Replication works in one direction (domain controller to file server) but the file server does ...
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133 views

DFS synchronisation over slow internet connection

I am configuring DFS replication on 2 servers connected over a VPN. The VPN is over a ADSL line with 0.06mb upload speed. server1 - 192.168.1.2 server2 - 192.168.2.2 Both servers can see each other ...
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Does using the same drive letter for DFS replication on Windows Server 2012 R2 cause any known issues?

We're working with consultants on a large DFS replication project and we experienced a significant loss of data during the initial replication. While trying to identify what happened the consultant ...
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309 views

Trying Non-Authoritative restore but CN=DFSR-LocalSettings is missing

I have a single Domain with one Windows 2011 SBS Domain Controller and a newly joined and DC promoted Windows Server 2012 Standard. Forest and Domain functional levels are both Windows Server 2003. ...
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DFSR speed Server 2008r2

So, here’s the simple setup: 2 sites, each with their own file server (server standard 2008r2 fully updated) 100MB WAN link at each site 1.7TB shared drive Replication schedule 64Mbps at night and ...
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496 views

Is DFSR designed for use for Disaster Recovery?

We are currently working on implementing a DR strategy. Instead of SAN-SAN replication, it has been decided to have 2 live file servers replicating via DFSR. However, I don't know whether or not this ...
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198 views

How to audit new files in Windows File Server (DFS)?

I have a Windows Server 2012 R2 box with file server role installed (FSRM, DFS Namespaces, DFSR). One folder from the DFS namespace increased substantially in size in the last two days. The folder has ...
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398 views

DFSr detected that a file was changed on multiple servers, but “winning” file and that moved to conflicts folder have same hash

We've just deployed a new DFS replication system between two Windows 2012 R2 servers. We cloned the DFSr database using MS's recommendations ...
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SYSVOL replication over DFS-R

When we migrate our production DCs to Server 2008 I would also like to move away from FSR to DFS-R for SYSVOL replication. My problem is that I setup a quick lab to test it out but it's not going as ...
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How to add read-only privileges on DFS Folder for Windows 2003 R2?

I just install a DFS system on different servers. My replication group consists of Windows 2003 R2 and Windows 2008 R2 servers. The replication itself works well. On the Windows 2008 R2 server I can ...
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DFSR Crisis - Need assistance

Here's the scenario: One file server running 2008 R2. All user folders are on here, and we're using folder redirection to redirect desktop, documents, contacts, favourites, etc. We built two new ...
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80 views

Windows DFS replication service conflict with other software

I'm trying to find a solution to a DFS problem. Our servers have their own file upload methods, but we've also added FTP for large files and folders management. So how do I get DFS to play nicely with ...
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Can I use dfsutil to create targets in a replicating share?

I had initially tested a use of DFS Namespace to set up some targets that point to standalone CIFS shares. On a standalone Windows 2012 DFS server this was pretty easy. I created a few folders ...
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2-way synchronisation across WAN - DFS, Synology?

our office is soon to get a little sister-office in another location. I'm struggling to understand how for example DFS could help get a proper 2-way-synchronisation done between the two locations - ...
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Issues with Server 2012 using DFSR running on Hyper-V 2012

We have a number of Server 2012 systems, all of which run virtualised on Hyper-V 2012 server. We are having problems with two such virtual instances, both of which are used as file servers, whereby ...
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Sysvol Replication issue

I have read a lot about this recently and must say it is doing my head in. now what I did was 6 months ago we did a upgrade of our infrastructure. We had a 2008 R2 server for domain controller now I ...
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DFS and Replication mesh between 3 servers - How is a local server selected

As an example I have 3 DFS servers all on different sub-nets each with an authoritative initial share on each (\\svr1\accounts, \\svr2\sales, \\svr3\hr). I have enabled replication on all servers ...
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DFSR won't start replicating again after free space increased

I have a situation here where one replicated folder in our DFS namespace stopped replicating because the disk was full. Ok, after 2 days we increased the disk space, but the replication is not ...
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425 views

One DFS Replication Group per Namespace

I'm in the process of implementing a single DFS namespace which will be holding approximately 20 or so Folder Targets. These folders are also going to be replicated to the other servers using DFS-R. ...
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660 views

DFSR Backlog Stuck on Non-Existent Folders

I have two 2008r2 servers setup in a full-mesh multipurpose replication group. (01 and 02). 01 was the source server. The initial sync just finished last night and there are 2 folders that do not ...
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Distributed File System Hotfixes

Quick question. I've been doing some research on Windows Server DFS replication and ran across this article about hot fixes for DFS and DFSR (http://support.microsoft.com/kb/968429/en-us) I'm ...
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3k views

Windows Route traffic to specific IP through secondary nic

Being reading about this on ServerFault but decided to open a new question, as I can't re-ask over existing threads. 2 computers, 2 nics: Computer A - 100.100.100.10 - 192.168.100.10 Computer B - ...
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Does DFSR replicate shadow copies?

There a a few questions related to using DFSR and Shadow Copies together, but none that indicates if Shadow Copies replicate or not. Meaning, if I have a a pair of DFS replicas with Shadow Copies on ...
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494 views

DFS Replication only works in one direction

SERVER1 - SBS 2011 SERVER2 - Windows Server 2008r2 I'm using DFS-R. Changes work perfectly from 1 to 2 but nothing propagates from 2 to 1. When I attempt to run: dfsrdiag staticrpc /port:5001 ...
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392 views

DFS-R broken after renamed upgraded member server

I had an existing 2-way DFS-R replication topology set up, consisting of two servers, one was Windows 2003 R2 and the other Windows 2008 R2. This was working fine. Last week I upgraded the Win 2003 ...
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193 views

Powershell and DfsrConfigurationFromAD - how to check all servers are updated?

I have two Win2012R2 servers (SERVER1 and SERVER2) that uses DFS Replication for keeping a couple of folders synchronized. Using the following Powershell-script that i run on SERVER1 I disconnect it ...
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Can we disable DFS on Windows SBS 2011?

The supplier of our customer's ERP system says that their software gets performance problems when running on a server with DFS enabled. I notice that DFS Namespace and DFS Replication is enabled on ...
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146 views

Where is the documentation for mixing DFS-R between Windows 2012 and Windows 2012 R2?

First question - is it possible to use DFS-R between an original Windows 2012 server and a newer Windows 2012 R2 server? Second question - R2 introduces many enhancements in DFS-R, one assumes these ...
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Browsing DFS share keeps moving up a folder

I have a DFS-R namespace with three nodes. Two of the nodes work just fine, but a third node does something very strange. When you are browsing the node through the namespace, when you change into a ...
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DFSR Crashing a Windows 2012 R2 File Cluster and causing temporary SMB Share disconnection

I have a Two Windows 2012 R2 running in as a Windows file cluster. The file cluster works prefect with almost instantaneous fail-over between nodes of the iSCSI Drives and SMB Shares. I also have ...
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4answers
673 views

Network Latency over WAN

Let me take a minute to explain the background of the challenge I am facing. My company has offices in US and Asia. The users work on large CAD files. The office in US has NAS (Network Attached ...