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VMM2008 - Windows Server blog by Kurt Roggen [BE]

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Q: What is the option “Enable spoofing of MAC addresses” on a virtual network adapter? A: A virtual network adapter can send/receive packets containing any MAC address.  Equivalent of putting adapter in promiscuous mode. More information: http:/...
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Here’s an overview of some of the most raised SCVMM questions and their answers: Q: What is CPU Type in SCVMM 2008 R2 VM Processor Hardware Profile? A: Just used for Intelligent Placement of virtual machines – not the actual vCPU  More information...
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VMM provides PowerShell cmdlets that allow you to perform simple administrative tasks in an automated way or that you can use together with other cmdlets or command-line elements, to perform more complex tasks (eg: rapid provisioning ). Jobs are displayed...
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The other day, I got asked which ports VMM 2008 (R2) uses/needs. Well, here‘s a list of TCP/IP ports SCVMM needs to talk to various system components: VMM Server 80 (HTTP, WinRM) - Mgmt 443 (HTTPS, BITS) - Data 8100 (WCF Connections to PowerShell or VMM...
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The VMM server initiates a series of specific refresh jobs at specific intervals.  Here’s an overview of what happens when… Host Refresher Runs every 30 minutes on every host (with time lags) and updates host properties. It also updates disk/SAN...
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Hyper-V provides virtual machines with a pool of Media Access Control (MAC) addresses when Hyper-V is installed. Hyper-V has an algorithm to avoid duplicate MAC addresses on a single host, but not across multiple hosts. A crucial element in this algorithm...
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Missing Hyper-V and/or BITS update causes Hyper-V hosts to go into a “Needs Attention” state If your Hyper-V hosts do not have the two updates (listed below) installed, SCVMM 2008 server will report your hosts as "Needs Attention" (and the substatus...
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Microsoft System Center Virtual Machine Manager 2008 provides a comprehensive, cross-platform management solution for the virtualized data center that helps enable centralized management of virtual infrastructure, increased server utilization, and dynamic...
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