![]() ![]() Out-of-date Network Card and Storage drivers List of currently available hotfixes for Distributed File System (DFS) technologies in Windows. We now have a KB article that we are keeping up to date with the latest files we recommend running for DFSR: The most recent version of DFSR.EXE always contains updates that not only fix bugs but also generally improve replication performance. To prevent a variety of DFSR issues - in fact, this hotfix should be on every Win2003 computer in your company. I highly recommend (in fact, I pretty much demand!) that you also install Those issues generally affected RPC and led to DFSR (which relies heavily on RPC) to be a casualty. Over the course of its lifetime there have been a few hotfixes for Windows Server 2003 that resolved intermittent issues with network connectivity. Missing Windows Server 2003 Network QFE Hotfixes or Service Pack 2 Let’s break down the most common causes as seen by MS Support: Incidentally, this is something you can do in the GUI on Windows Server 2008 and it even gives you the replication time in a format designed for human beings!īased on the above steps, let’s say we’re seeing a significant backlog and slower than expected replication of files. So around two minutes later our file showed up. This generates an XML file with time stamps for when a file was created on 2003SRV13 and when it was replicated to the other two nodes.įormat which we can convert with the W32tm tool included in Windows Server 2003.ġ48561 19:54:48.8794190 - 3:54:48 PM (local time)ġ48561 19:56:46.8608450 - 3:56:46 PM (local time) So for example, here I have three DFSR servers – 2003SRV13, 2003SRV16, and 2003SRV17. Check out theįor plenty of detail on Perfmon and visit our sisterīy running DFSRDIAG.EXE you can create test files then measure their replication times in a very granular way. – all useful in determining what true performance is as opposed to end user perception. Using these allows you to see historical and real-time statistics on your replication performance, including things like Resolves an error you may receive when continuously querying backlog, although you may want to consider installing the more current DFSR.EXE hotfix which isĭFSR updates the Perfmon counters on your R2 servers to include three new objects: Running it a few times over an hour and give you some basic trends. ![]() This command shows up to the first 100 file names, and also gives an accurate snapshot count. Dfsrdiag is installed when you install DFSR on the server. If you’re into the command-line you can use the DFSRDIAG BACKLOG command (with options) to see how behind servers are in replication and if that indicates a slow down. ![]() The generated report will tell you sending and receiving backlogs in an easy to read HTML format. We can use the DFSR Diagnostic Reports to see how big the backlog is between servers and if that indicates a slowdown problem: Maybe DFSR was once much faster and you see it degrading over time? Has it always been too slow for your needs and now you’ve just gotten fed up? What will you consider acceptable performance so that you know when you’ve gotten it fixed? There are some methods that we can use to quantify what ‘slow’ really means: This loaded word is largely a matter of perception. Make sure you also read this much newer post to avoid common mistakes that can lead to instability or poor performance: Specifically, I’ll cover the most common causes of slow replication and what you can do about them. the DFSR service included with Windows Server 2003 R2, not to be confused with the File Replication Service). Today I’d like to talk about troubleshooting DFS Replication (i.e. First published on TechNet on Oct 05, 2007Īgain. ![]()
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