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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MSSQL Datafile on DFSR

I have 2 Storage Server use DFS-R to sync the content. MSSQL Server using UNC path the connect to the DFS-R namespace for datafiles. Now the problem is MSSQL with lock the datafile while server is ...
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945 views

Is it possible to setup DFS without active directory

Is it possible to create a distributed file system without active directory? We have 3 servers to replicate files across. A will be the primary and B & C need to have a copy of the same files. ...
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4k views

Failure to replicate SYSVOL on domain join

I cant seem to get the SYSVOL folder to replicate. Once joined my Event Log spits out the following. The DFS Replication service initialized SYSVOL at local path C:\Windows\SYSVOL\domain and is ...
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Undocumented value in DfsrIdRecordInfo class

According to MSDN (http://msdn.microsoft.com/en-us/library/windows/desktop/bb540013(v=vs.85).aspx) these are the only possible values of the "flags" attribute of the DfsrIdRecordInfo wmi class: ...
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79 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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735 views

Change DFS Replication scheduled time?

Is it possible to change the scheduled time for DFS replication between replication partners on Windows Server 2008? We have a backup that runs hourly and interferes with the replication. I then get ...
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398 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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143 views

Rebooting a DFS Server

Server A and B have DFS-R. If I want to reboot Server B and all clients connect to server A, do I need to disable folder targets for Server B still?
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what happens to dfs when the domain controller is offline?

Windows Server 2008 R2 DFS Replication across two locations If the domain controller is offline what happens? Are users still able to access the DFS namespace? Does replication still occur?
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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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459 views

Does DFSR include RDC on Windows Server 2008?

I had installed DFSR (DFS replication) on two servers, but recently noticed that there is a separate RDC (Remote Differential Compression) feature in Server Manager, which was not installed. DFSR ...
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633 views

Windows workstations go offline when one Domain Controller restarts

We run a small wired LAN with 3 DCs (W2k8) and about 25 workstations (most of which are XP SP3, some are 7 SP1.) People use roaming profiles with folder redirection for Desktop & My Documents, ...
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230 views

File server failed. DFS with and without replication in use. Questions on getting back to normal operation

I have an oldish (physical) Windows Server 2003 R2 box, which is a file/print server. I suspect the RAID card has gone bye-bye, after a reboot Windows is checking the data volume, its been 1.5 hours ...
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593 views

DFS target selection/ordering

I have a DFS folder with two targets. The first to the primary file server and the second to a slow emergency backup file server to be used only in the event of a failure of the primary. There is ...
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155 views

DFS - Stop sync of large folder that has since been removed

We have a site to site DFSR on Windows Server 2008 R2 that has been running perfectly between site A to site B until someone dumped a 20GB folder. This has overwhelmed the upload and make the internet ...
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432 views

DFS Replication, Users HOME folder - seems not to catch all files… any hints?

I amm moving stuff out of a file Server. I am using DFS for that - the Folders are anyway in a DFS tree, so I can set up a replication temporarily, then drop the old Folder. Works nice, EXCEPT for the ...
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Windows 2008 DFS Replication Issue

We have two Server 2008 R2 servers running DFS-R (named dfs01 and dfs02) in a 2008 R2 Domain. Today I found the files in server dfs01 can not be replicated to dfs02. So I used the command dfsrdiag ...
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932 views

Replicating EFS encrypted files

Recently I attempted to configure Microsoft's DFSR on Windows 2008 R2 to replicate a folder which was encrypted with EFS. The setup gave no errors or warnings, but later I read that DFSR does not ...
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542 views

Active DFS node did not restore after failure

On Tuesday we had a Server 2008 R2 DFS-R node go offline unexpectedly. DFS did the right thing and started routing requests to a different node, which was in a remote site. This is by design, because ...
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297 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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618 views

DFS trying to replicate back to source folder?

I'm not very familiar with how DFS works, and since someone else administers the servers in question I don't know what the DFS setup looks like. I'm just wondering if something is possible. ...
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3k views

How can I check that DFS is replicating correctly? [duplicate]

Possible Duplicate: compare the contents of two folders that are replicating by dfs We use DFS to replicate files to a Disaster Recovery server. We have a task where we check the DR ...
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compare the contents of two folders that are replicating by dfs

I have a large folder that I am replicating by dfs and I want to check that all files have been replicated correctly. Currently I am running the following script at both ends. cd e:\data\shared\ dir ...
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84 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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350 views

Can't find wdfsrres.dll on Windows 2003 R2 disk 2?

I am trying to install DFS replication on Windows 2003 R2 which asks for the Windows 2003 R2 disk 2 but can not find wdfsrres.dll on there. Where can I get it?
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218 views

Linux and Window DFS shares - restoring previous versions of files/folders

I know I can mount DFS shares on my Linux boxes with no issues, but is there a method by which I can access/restore previous versions of folders/files from these DFS shares? Thanks
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10k views

How to monitor DFSR backlog more efficiently than dfsrdiag

Is there a way to monitor the DFSR backlog in a manner more efficient than using dfsrdiag.exe backlog? I wrote a program that just slurps in the backlog count via dfsrdiag.exe backlog /smem:alpha ...
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975 views

GLUSTERFS or DFSR

Been reading (here) and other about GLUSTERFS. Anyone have first hand experience going with DFSR vs. GLUSTERFS or switching between the two? DFSR = Microsoft's Distrubted File System Replication or ...
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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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Windows DFSR - Changed replicated directory permissions and now have a 350,000 backlog for more than a week

Question: Is there a way to make this 350,000 file backlog complete faster? For nearly every file the only change was a change to the ACL for each affected file. Some files have changed content, ...
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3k views

DFS-R alternatives?

I was wondering what alternatives to DFS-R are out there on windows machines for real-time bidirectional file & folder replication? DFS-R requires active directory and a domain controller which I ...
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10k views

Server 2008 DFS Replication Issues

I have two domain controllers on my network, win2k8dc1 and win2k8dc2. I am running into event log errors that DFS replication is not able to communicate with the replication partner. This event is ...
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4k views

DCDIAG VerifyEnterpriseReferences test failed on PDC

I have two domain controllers both server 2008, and the domain function level has been raised to 2008. We migrated from a single dc running server 2008 previously. If I run : dcdiag /v /c /d /e ...
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Windows 2008 DFS issue - files dissapear

I have farm with 3 servers: 2 web and 1 DB. All servers are identical Windows 2008 R2 fresh installation. 2 servers running IIS7 websites and connect 3rd server as a back end DB. IIS servers running ...
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801 views

Distributed File System Replication (DFSR) between Server 2008 & Server 2008 R2 over Gateway to Gateway VPN causing extreme network latency

The company I work for is in the process of setting up a branch office for one of our clients. We have 1.5 Mbps up/down T1s at each location, a Cisco RV042 router at each location hosting a Gateway ...
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157 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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DFS Replication not “snappy” enough (Missing files)

I have two Domain Controllers. DC01 usually contains everything and is doing great (AFAIK), however DC02 is constantly "missing" files that are clearly visible on DC01 and should have been replicated ...
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537 views

dfs replication: One replication group per share or a single replication group for all shares

I am currently migrating from a Windows Server 2003 R2 Standard to a Windows Server 2008 file server. I want to do a "soft" migration by using dfs replication. Now I am wondering what is the best ...
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209 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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328 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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1k views

Active Directory DNS, preferred IPs, and multiple NICs

I am a noob with Active Directory, and I know just enough to have gotten our current setup running fine. We run a web farm with several web servers connecting to a file server for content storage. ...
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DFS-R Event ID 4412 The DFS Replication service detected that a file was changed on multiple servers

To prepare DFS replication, we used robocopy /DATSOU... to copy the contents of a shared folder (~170G) to another server. After that, a DFS replication group was configured with the two folders. ...
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2k views

DFS just not replicating?

I have been using DFS quite a lot in the past always to good success. Now I have a funny issue and I am lost. 2008 R2 Sp1 on both ends. Same domain. There is a folder on A that is replicated. It ...
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430 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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4k views

DFS standalone replication

I'm attempting to set up DFS Standalone replication for the static content of a group of 2008 r2 web servers, without getting the Domain Controller involved. I've created a namespace on one computer ...
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DFS keeps constantly replicating almost all files

We have always had problems with DFS, but recently it has gotten worse with no apparent cause and it's becoming harmful. We have one master server and DFS connections to other four servers. The four ...
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251 views

DFS “clobering” files

We have DFS setup using the DFS Management Administrator Tool. I turned on replication in the Distributed File System Administrator Tool as well and this morning we lost tons of files from that share. ...
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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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336 views

DFSR - What happens when one server gets maxed out?

What happens when one server in a DFSR pool maxes out its disk space? I am at the very beginning of my research in DFS/R and this struck me. I plan on implementing this on one server with RAID1 ...
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150 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 ...