Category Archives: Virtualization

Why does the ‘Update Tools’ button not work from within VMware Tools?

Posted on March 30, 2012 by brian.wuchner

I recently upgraded an ESXi 4.1 Update 1 cluster to ESXi 5.0 Update 1 — but have not upgraded the tools yet. One of the Windows admins I work with mentioned that he noticed a development guest needed a tools … Continue reading →

Posted in Scripting, Virtualization | 6 Comments

Use PowerCLI to mark disk as as SSD

Posted on March 12, 2012 by brian.wuchner

I’ve recently been working with a few new ESXi hosts. These systems have a pair of solid state disks that I planned to use for host cache. However, ESXi 5.0 did not detect these disks as an SSD type. I … Continue reading →

Posted in Scripting, Virtualization | 2 Comments

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 →

Posted in Scripting, Virtualization | Leave a comment

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