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  • Blog Post: DNS Server Startup Time Improvements in Windows Server 2012 R2

    Issue Sum mary With the advent of cloud computing, there are more apps, more domains and more web services than ever. Every business needs its footprint on the world wide web. This led to a burst in the number of file backed zones being hosted on a single DNS server. In such a scenario, our tests...
  • Blog Post: VPN Interoperability guide for Windows Server 2012 R2

    Introduction Microsoft® Windows® Server 2012 R2 industry standard IKEv2 tunnel for VPN connectivity (both point-to-site and site-to-site). This enables customers with existing third party VPN devices to easily deploy the Windows Server 2012 R2 VPN gateway and interoperate with these devices...
  • Blog Post: DNS Zone Level Statistics

      The Microsoft DNS Server provided certain server level statistics which enabled an admin to track the usage pattern or monitor DNS server performance. The statistics provided includes server wide query statistics, zone transfer statistics, packet statistics, different record statistics, DNSSEC...
  • Blog Post: Issues on Windows Server 2012 and 2012 R2 with VMQ and Emulex network adapters

    There have been several reports of networking and stability issues on Windows Server 2012 and Windows Server 2012 R2 when deployed on hosts equipped with Emulex NICs. These issues arise when VMQ is enabled. The typical symptoms include the loss of network connectivity on one or more virtual machines...
  • Blog Post: Name Resolution Performance of Windows DNS Server 2012 R2

    This article details the name resolution performance of the windows DNS Server 2012 R2, when deployed in a strictly authoritative mode on which recursion has been disabled and root hints have been removed. Machine Configuration The tests were performed on a physical machine deployed as an authoritative...
  • Blog Post: Debugging performance issues with VMQ

    In my last posts about VMQ (virtual machine queues), VMQ Deep Dive, 1 of 3 , I tried to give readers a thorough understanding on the technology and why it was needed. Unfortunately, I still feel like there’s a piece missing around troubleshooting suspected VMQ issues. Therefore, in this blog post I’d...
  • Blog Post: What’s new in Hyper-V Network Virtualization in R2

    This post is a part of the nine-part “What’s New in Windows Server & System Center 2012 R2” series that is featured on Brad Anderson’s In the Cloud blog.  Today’s blog post covers new features in Hyper-V Network Virtualization in Windows Server 2012 R2 and how it applies to the larger topic...
  • Blog Post: Transforming your datacenter – networking in the R2 release

    This post is a part of the nine-part “What’s New in Windows Server & System Center 2012 R2” series that is featured on Brad Anderson’s In the Cloud blog. Today’s blog post covers an overview of networking investments in the R2 release and how it applies to the larger...
  • Blog Post: VMQ Deep Dive, 3 of 3

    Introduction At this point I’m hoping everyone has had the opportunity to read my two previous blogs on VMQ, VMQ Deep Dive 1 and VMQ Deep Dive 2 , and are more knowledgeable about the offload and when to use it. In this last post of this series, I want to go into on how to monitor and troubleshoot problems...