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The Storage Team at Microsoft - File Cabinet Blog

The Storage Team Blog about file services and storage features in Windows Server, Windows XP, and Windows Vista.

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Windows Server DFS-Namespaces Performance and Scalability
The DFS-N test team has completed some extensive Performance and Scalability testing and we wanted to share some of the results. To start, here is a comparison of the performance of adding links to a standalone namespace. It includes data for Windows Read More...
Three ways to design your DFS Namespaces
Jose Barreto has a new blog post to help you understand how to design your DFS Namespaces. He covers three options to create a namespace that points a few folders in three different file servers: Simple mapping of shares Flattening out the tree in the Read More...
Five ways to check your DFS-Namespaces (DFS-N) configuration with the DFSDIAG.EXE tool
Jose Barreto has a new blog post to help you understand how to use the DFSDIAG.EXE tool to check your DFS-Namespaces (DFS-N) configuration. DFSDIAG, which was introduced in Windows Server 2008 and improved in Windows Server 2008 R2, has five types of Read More...
Microsoft File Server Migration Toolkit 1.2 available as a free download
Microsoft released the File Server Migration Toolkit version 1.2 (FSMT 1.2), which will help you migrate file shares from computers running Windows NT 4.0 Server, Windows 2000 Server, Windows 2003 Server, Windows Server 2008 and Windows Storage Server Read More...
How many DFS-N namespace servers do you need?
Whenever you’re deploying Windows Server DFS-Namespaces, you will need to figure out how many servers will be required. Although we never really had any problems with performance of the namespace server themselves, the question of where to place them Read More...
Understanding Windows Server 2008 DFS-N by analyzing network traces
Jose Barreto has a new blog post covering details of the behavior of Windows Server 2008 DFS-N (Distributed File System - Namespaces) clients by looking at network traces. His main goal is to show the interaction between a DFS-N client, a domain controller, Read More...
The Basics of the Windows Server 2008 Distributed File System (DFS)
Jose Barreto has a new blog post covering the basics of the Distributed File System (DFS) in Windows Server 2008, which offers users simplified access to a set of file shares and helps administrators easily maintain the file server infrastructure behind Read More...
Microsoft File Server Migration Toolkit 1.1 Released!
We are glad to announce the release of Microsoft File Server Migration Toolkit 1.1 ! With this version you will be able to migrate and consolidate shared folders from servers running Windows NT Server 4.0, Windows 2000 family of servers, Windows 2003 Read More...
What does DFSDiag do?
So you have heard about a tool DFSDiag which is meant to be used to help you diagnose your DFS Namespace. You just type DFSDiag.exe and... voilà you got the list of the commands you can use. Oh yes you also have the “DFSDIAG_ERROR” message, Read More...
Storage Tips: Read/write failures even with DFS Failover?
If you opened a file, and in the meanwhile the connection to the server was lost, and you don’t have CSC enabled, any further attempt to read/write will fail. DFS Failover is only performed when the client opens a file or folder. It does not apply Read More...
Storage Tips: Access-Based Enumeration Hidden Secrets (no pun intended)
Access-based Enumeration allows users to list only the files and folders to which they have access when browsing content on the File Server. ABE was first introduced in Windows Server 2003 Service Pack 1, eliminating the confusion of connecting to a file Read More...
Why can’t I see all files in a Shared folder?
If the clients can only access and view a subset of files or folders present in a shared folder, it might be for one of the following reasons: 1. Share and NTFS permission Please check if you have granted the users with the different Share and NTFS permissions Read More...
Storage Tips: You can run DFSUtil from Windows Vista
DFS Namespaces or DFSN management command line tools are available on Windows Server 2008 and also on Windows Vista SP1 as part of the Microsoft Remote Server Administration Tools (RSAT). The three available tools are Dfsutil.exe, Dfscmd.exe and Dfsdiag.exe. Read More...
Storage Tips: Namespace Administration can be delegated
Namespace administration can be delegated. This is a change as of Windows 2003 SP1 and requires the DFSMGMT.MSC management console, first available in Windows 2003 R2, for ease of access. In that console, you should see a "Delegate Management Permissions" Read More...
Storage Tips: How to create namespace links in Uppercase
When you create namespace folders (links) using DFSUtil in Windows Server 2008, the namespaces links are lowercase. This is a known issue, and as a work around, you can use dfscmd /map to create Uppercase links in DFS namespace. Ganesh Prasad Read More...
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