Windows Server Performance Team Blog

Windows Server Operating System Performance information, tools and discussion

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  • Blog Post: Performance Tuning Guidelines for Windows Server 2008 R2 Released

    With Windows Server 2008 R2 almost at RTM, a new tuning guide has been released. It can be found here . And don't forget the Windows Server 2008 Turning Guide is still availiable and has recently been refreshed for SP2. Windows Server Performance Team
  • Blog Post: Increase VMBus buffer sizes to increase network throughput to guest VMs

    Under load, the default buffer size used the by the virtual switch may provide inadequate buffer and result in packet loss. We recommend increasing the VM bus receive buffer from 1Mb to 2Mb. Traffic jams happen every day, all across the world. Too many vehicles competing for the same stretch of road...
  • Blog Post: A glimpse into Windows Server 8

    Hi folks, it has been a while as we continue to be heads down on the performance for Windows Server 8 ! But recently some of the new features and enhancements for Windows Server 8 have been introduced in Bill Laing’s, Corporate Vice President of the Server and Cloud Division, blog on the Server...
  • Blog Post: Power and Hyper-V are now part of the Windows Server 2008 Tuning Guide!

    The guide has been updated with sections on Power and Hyper-V guidelines and best practices. Check out the updated Tuning Guide and tell us what you think by following the feedback link at the top of the Tuning Guide. We look forward to hearing from you! Ahmed Talat Performance Manager Windows Server...
  • Blog Post: Greater than 64 Logical Processor support on Windows Server 2008 R2

    In the past few weeks, there have been a number of new feature announcements around Windows 7 and Windows Server 2008 R2 at PDC and WinHEC conferences. From a Server perspective, Power Management, Virtualization, and Greater than 64 processor support are considered the top three features for Windows...
  • Blog Post: Hyper-V and VHD Performance - Dynamic vs. Fixed

    My name is Tim Litton, I work as a Program Manager within the Microsoft Windows Server team, and my particular area of focus is performance optimization for Hyper-V. With the recent release of Hyper-V, customers are starting to ask us how to configure Hyper-V to get the best performance. It’s generally...
  • Blog Post: File Server Capacity Tool (FSCT) 1.0

    What is “FSCT”? New builds of Microsoft Windows are produced almost every day for internal development and testing. In order to detect performance regressions as soon as possible, those builds have to be evaluated and compared to their predecessors as well as previous public releases. A range of performance...
  • Blog Post: NUMA Node Balancing

    For those of you running Hyper-V on NUMA (Non-Uniform Memory Architecture) based platforms (such as HP’s DL785), this blog presents a tuning suggestion for how to fine tune the placement of virtual machine (VM) on to a specific NUMA node. Every VM in Hyper-V has a default NUMA node preference....