Use Caution When Implementing IPC for Performance Counters

  Recently I was working with a developer who had created performance counters that work in Performance Monitor but are never collected in a user defined data collector set.  The customer explained that their counters update named shared memory inside the application which should be read by perfmon or the data collector set.   Putting…


Where has all my Physical RAM gone?

Hello AskPerf! Ranajoy here from the Windows Performance Team. One of our highest call generators here in support surrounds low Available Memory shown in Windows Task Manager. Today we are going to take a brief look at this value and where this “Missing Memory” may be hiding. Picture the following: Windows 2008 R2 Server with…


Cluster-Aware Updating (CAU) interaction with Proxy Servers

Welcome back to the CORE Team blog. Cluster-Aware Updating (CAU) is an automated feature that allows you to update clustered servers with little or no loss in availability during the update process. Cluster updates are obtained using one of three methods: Connecting to the internet and downloading patches from Windows Update\Microsoft Update Connecting to an…


Troubleshooting Pool Leaks Part 7 – Windows Performance Toolkit

In Part 1 of this series we identified a pool leak in non paged pool.  In Part 2 and Part 3 of this series we identified what pool tag was leaking.  In Part 5 and Part 6 we got call stacks showing the memory being allocated.  In this article we are going to discuss a…


Working with multiple network adapters in a virtual machine

Thanks for coming back to the CORE Team blog site. This blog will address working with multiple network adapters in a virtual machine. Many of you out there may not be interested in this because you work with virtual machines that only use a single network adapter. However, for those of us that frequently work…


Revenge of Y2K and Other News

Hello sports fans! So this has been a bit of a hectic time for us, as I’m sure you can imagine. Here’s just some of the things that have been going on around here. Last week, thanks to a failure on the time servers at USNO.NAVY.MIL, many customers experienced a time rollback to CY 2000…


Just when you thought… (Part 2)

In Part 1, I covered configuring the Hyper-V Failover Cluster and the Scale-Out File Server solution. In Part two, I will cover: Creating the file shares in the Scale-Out File Server Creating a virtual machine to use the SMB3.0 shares in the Scale-Out File Server Verifying we can Live Migrate the virtual machines in the…


Just when you thought…..(Part 1)

Just when you thought you had things figured out – in the words of the legendary Bob Dylan, "the times they are a-changin." With the release of Windows Server 2012, Microsoft introduces a load of new features, which, in some cases, translates into doing some of the same things in different ways.  Up to now,…


ADAMSync 101

Hi Everyone, Kim Nichols here again, and this time I have an introduction to ADAMSync. I take a lot of cases on ADAM and AD LDS and have seen a number of problems arise from less than optimally configured ADAMSync XML files. There are many sources of information on ADAM/AD LDS and ADAMSync (I’ll include…