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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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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394 views

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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112 views

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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172 views

DFSR files appearing on destination before they finish replicating

We have a DFS environment. If we have a 100MB file for example that we put in the DFS share, it will appear very quickly on the destination server at another site even though with the bandwidth ...
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477 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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161 views

Replicate the same source folder to multiple end points, with a different schedule for each end point

I'm trying to make a set of folders (about 8 gig) that get updated monthly to replicate out to nine branch locations. They are connected via VPN back to head office with 1.5Mbit aDSL links. I've got ...
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242 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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466 views

Is it possible to exclude files and folder that begin with $ from Windows 2008 R2 DFS replica?

If I replicate by DFSR users redirected folders all folders replicated have their own $RECYCLE.BIN directory and inside that directrory files are renamed as $XXXXX.YYY. I don't want to replicate them, ...
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123 views

Constant DFSR traffic

Last week one of our servers (Server01) hung up. After rebooting, DFS successfully recovered the database, and files are syncing fine. However, ever since then, we've had fairly constant DFS traffic ...
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560 views

Why is DFS Replication consuming so many resources when there are no replication groups?

I manage a few Windows 2012 servers, which, between them all, host millions of small files. I have DFS namespaces set up and tried to get DFS replication working as well. DFS replication didn't seem ...
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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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128 views

DFSR File Filters on Server 2008 R2

I've got a serverfarm which utilizes DFSR for file and folder replication. I'm familiar with File and Folder Filters on the replicated folders for the group. I'm curious if these can be set per ...
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358 views

DFS-R (2008 and R2) 2 node server cluster, all file writes end in conflictAndDeleted

Both servers in a 2 server cluster are reporting event 4412 20,000 times per day. If I sit in the conflictAndDetected folder I can observe files appearing and disappearing. Users report that their ...
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1answer
210 views

Does DFS-R actually write 100%+change to a file on the receiving server(s)?

I am analyzing DFS-R on Windows 2003 R2 and have come across a horrendous thing. It appears that when you append a small amount of data to a large (existing) file, the write cost on the server for ...
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351 views

ASP.NET, reaching the limits of DFSR, and file storage sharding

We run a popular web app, and our backend file storage exists on a file server, replicated to another file server for failover with DFSR. We are reaching the theoretical limits of DFSR, and therefore ...
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593 views

DFS-R - Set server as master

I would like to set up a 2 server DFS-R for web content. The website is a Learning Management System that holds a few TB of videos and documents. The front end of the website is a Windows Load Balance ...
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186 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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771 views

windows 7 domain roaming profiles - can i set it up so that only differences are synced with local copy?

I have read answers regarding roaming profiles that recommend using folder redirection (like Profile Roaming, to make not to copy all the files to the local PC). I don't want the profile dirs to be ...
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499 views

Using Domain Controller from Azure VM

I have setup a couple or Windows 2012 instances on Azure VM. I am trying to configure DFS-R, which requires the instances to be members of a domain. I signed up for Azure Active Directory, which ...
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98 views

Weird Active Directory behavior after ADMT migration

We have multiple sites with multiple DC's. Since performing the migrations we have been experiencing all sorts of problems with DFSR etc. We have multiple objects in the AD .. DCNAME ...
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553 views

Windows DFS-R conflict handling between multiple locations

i´m experimenting with the DFS-Replication possibilities in Windows Server 2008 R2. Basic structure is this TestOffice 1 - Fileserver TestOffice 2 - Fileserver Central server location - Fileserver ...
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all dfs replication groups failing at the same time

We have 2 pairs of fileshare servers. All servers are virtual Windows 2008 R2. Each pair is replicating over a WAN. Occasionally all DFS replication groups fail at the same time. I could not find any ...
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How to “seed” a DFS replication that is already on-going

There are many tutorials online that explain how to pre-seed a brand new replication set-up. But is there a proper way to "speed up" an existing replication without taking it down? We have an ...
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How can I use junctions instead of drive letters to organize DFS replication of multiple shares on multiple disks?

I am configuring a new DFS setup that will utilize Namespaces and Replication. The two member servers are virtual machines running Windows Server 2012 R2. Since many of the shares range from ...
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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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157 views

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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140 views

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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140 views

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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956 views

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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204 views

Does windows DFS (DFSR) resume a partial transfer if a WAN link is lost?

Q: Does windows DFS (DFSR) resume a partial transfer if a WAN link is lost? This seems like an obvious "yes" but, hoping someone here can provide a definitive answer. Background The environment ...
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196 views

DFSR: Break large replication group into multiple smaller replication groups?

Is there a way to break a very large replication group into smaller replication groups while avoiding a huge backlog while it re-syncs or verifies the files in each smaller replication group? I have ...
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8k views

Windows Server 2008 R2 DFSR Backlog Troubleshooting - Where to look for the cause of the problem?

Windows Server 2008 R2 DFS Backlog Troubleshooting dfsrdiag indicates our target server has hundreds of thousands of backlogged transactions. Our authoritative source server indicates it has no ...
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Windows Server DFSR Log Repeating Error

I'm running Windows Server 2008 R2 on both sides of the DFS replication. Both servers are on the same LAN. Server1 is my source and I'm pushing to Server2. I preseeded following Microsoft's ...
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74 views

SCOM 2012R2 DFS Replication Managementpack

We have a functional implementation of SCOM 2012R2 running on Windows Server 2012R2. Recently I have begun trying to get the DFS Replication monitoring working; specifically backlog monitoring. ...
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105 views

DFS replication monitoring under a non-administrative account

I have a DFS replication set up on two Windows Server 2012 machines in a domain, the DFS consists of one namespace, two servers, several replication groups each containing one folder. I have been ...
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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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322 views

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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39 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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126 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 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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96 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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67 views

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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229 views

Replication of files between a windows server and a NAS

I am planning some improvements to my server infrastructure and I have encountered a potential problem. I currently use dfs replication to sync files between 3 windows servers at 3 different sites. ...