Category Archives: Scripting

How vCenter assigns MAC addresses

Posted on February 27, 2012 by brian.wuchner

I’ve recently posted several entries on MAC address conflicts within vCenter: Multiple vCenters and MAC address conflicts Virtual Machines with Duplicate MAC addresses If you look at the first post (and VMware KB 1024025) you’ll notice that vCenter uses a … Continue reading →

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Virtual Machines with duplicate MAC addresses

Posted on February 20, 2012 by brian.wuchner

I was recently asked if it would be possible for two virtual machines to be automatically assigned the same MAC addresses. Knowing that vCenter handles these assignments and ensures uniqueness, I figured it wouldn’t be possible…but it got me to … Continue reading →

Posted in Scripting, Virtualization | 5 Comments

Get-Beer Powershell function

Posted on February 9, 2012 by brian.wuchner

Earlier in the week I had the privilege of presenting an introduction to Powershell/PowerCLI webex to a group of VMware customers. To help explain the Where-Object, Select-Object, and Sort-Object cmdlets, I thought it would be helpful to create a Get-Beer … Continue reading →

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Multiple vCenters and MAC address conflicts

Posted on January 23, 2012 by brian.wuchner

VMware KB article 1024025 explains an issue with MAC address conflicts due to multiple vCenter configurations with the same instance ID. Here is a technical description straight from the KB article: Each vCenter Server system has a vCenter Server instance … Continue reading →

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Powershell title bar and profile

Posted on January 14, 2012 by brian.wuchner

This is a very simple post, but it shows how to make the Powershell title bar contain useful information. By default the Powershell title contains the path to the powershell.exe file — here is an example: To make this more … Continue reading →

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