TCP/IP Conflict with Ghosted NIC: Legacy to Synthetic NIC

As far back as Windows 95 there has been the problem of more than one NIC with the same IP address. Simply, you cannot should not do this. Most often this is seen when a computer has a static IP assigned to a NIC, then that NIC is removed (physical or virtual) and replaced with…


The new "Dynamic Memory" feature of Hyper-V recently posted a great article on the upcoming feature of Dynamic Memory for Windows 2008 R2 Service Pack 1. The article focuses particularly on the impact for Virtual Desktop Infrastructure (VDI) deployments. For both reasons I recommend taking a moment to read the post. You may find yourself adopting SP1 sooner than you expected….


P2V of Domain Controllers – Online or Offline?

We know that SCVMM can convert physical machines into virtual machines with all work necessary to make this transitioned machine still boot and function correctly. This is a great feature that customers use daily. This work is done usually while the server is still running as an Online P2V. If you have ever stopped to…


VMMUpdate: Stay up to date!

CURRENT VERSION: 2.7, RELEASED 12/07/11 Windows and SCVMM SP1 updates included in scan “Are your Hosts and SCVMM Server up to date? And, does it really matter?’” …YES! WHAT IS VMMUPDATE? VMMUpdate creates a report of required updates for technologies used by the SCVMM server and all Hosts. Windows Hyper-V Failover Cluster As well as components…


Intermittent Connectivity Issues and Cluster Refresh Times with Windows 2008 R2 and SCVMM 2008 R2

It’s not often I get excited about Hotfixes… ok, that may not be entirely true, but I am very excited about these two. Why? They address WMI issues. ‘Why, Jonathan, would I care about WMI? That’s one of those obscure process things that I’ve never even seen…’, you say. ‘You’re right!’ I say, over-enthusiastically. ‘But…


Computer stops responding or restarts during Hyper-V Live Migration on Windows 2008 R2

Hyper-V Issue that can affect SCVMM operations What: A new article has been released with a hotfix to resolve an issue where Windows 2008 R2 servers running on AMD Family 10h processors may restart unexpectedly or stop responding. No error messages are generated. When: Issue may occur when the Live Migration feature is used to…


Disable that Network Card!

Here’s a tip I’d like to pass on that resulted solely from trial and error. I regularly see Failover Cluster, Hyper-V, NIC Teaming, VLANs, iSCSI networks and so on as components of a complex environment managed by SCVMM. Each of these components can affect decisions regarding network design. In the process of implementing the desired…


Updated System Center Virtual Machine Manager Configuration Analyzer (VMMCA)

Description The VMMCA is a diagnostic tool you can use to evaluate important configuration settings for computers that either are serving or might serve VMM roles or other VMM functions. The VMMCA scans the hardware and software configurations of the computers you specify, evaluates them against a set of predefined rules, and then provides you…


Communication issues after Windows and SCVMM Upgrade to 2008 R2

I’ve seen a number of customers run into networking and general communication issues following a move to Windows 2008 R2. And to manage Windows 2008 R2 you must be running SCVMM 2008 R2. Both require checking for updates. Windows 2008 R2 – Make sure the network card drivers are up to date… all of them….


Are All of My Servers Really Up to Date?

With a single command you can pull a list of all installed updates. Use this to compare patch levels on all systems so you can easily target those not meeting the bar. We start with simple commands, then build on these to create robust queries with optional CSV and HTML formatting. I think of these…