Category Archives: Virtualization

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

vSphere vCenter 5.0 SSL certificates

Posted on January 30, 2012 by brian.wuchner

It seems every release of the VMware vSphere vCenter server service has more dependency on SSL.  I always replace the default self signed SSL certificates with ones created from an internal/trusted certificate authority.  There is a good four part guide to creating … Continue reading →

Posted in Virtualization | 2 Comments

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 →

Posted in Scripting, Virtualization | 2 Comments

Get-ESXCli and changes with vSphere 5.0

Posted on December 1, 2011 by brian.wuchner

I mentioned in a previous post (VMware View inside vCloud Director) that we had to make a last minute change to the lab content on the fly. This change was to Exercise 11 that covers the Get-ESXCli cmdlet. I should … Continue reading →

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GCVMUG PowerCLI 5.0 Lab

Posted on November 22, 2011 by brian.wuchner

Earlier this month I had the privilege of helping out with a PowerCLI hands on lab at the Greater Cincinnati VMUG regional event. The content of this GCVMUG PowerCLI 5.0 lab is now available online: GCVMUG PowerCLI 5.0 Lab A … Continue reading →

Posted in Scripting, Virtualization | 1 Comment