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Adding a PowerShell Windows Update Script to my VMware Customizations

In my environments, we typically convert the templates to Virtual Machines once a quarter so we can install Windows Updates.  This means, there could be a number of patches to install if you’re 2+ months out from the last time they were updated.  So I decided to use a PowerShell script that my coworker wrote to do Windows Updates and run it during the Run Once phase of the vCenter Customizations. Typically, I have my customizations set to automatically login

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PowerCLI Script to list VMs not specifically set to Thick Eager Zeroed

First, I’ll start with a little back story. We recently deployed an EMC XTremIO All-Flash storage appliance.   The recommendation we got from EMC, for the best deduplication ratios, was to use the Thick-Eager Zeroed disk format.  No matter how many times I tell my coworkers to make sure to use this format when deploying VMs to the xTremIO LUNs, once in a while, someone does forgets and deploys a THIN provisioined VM. Also, we found that when performing P2Vs using

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PowerCLI Script to change the DRS Slider

So, I have a cluster of hosts that makes up our QA Environment.  As with most QA environments, it’s tight on resources and very over-subscribed.  On a regular basis, I have to move our DRS Slider to be more aggressive, RUN DRS to refresh recommendations, and then move the slider back.  This allows DRS to rebalance the cluster.  Today, I decided to script it. I made use of a script that @lucd22 posted (http://vmw.re/1EQCDkn) to change the DRS Migration Threshold

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Deploying a VM with PowerCLI in a Semi-Complex Environment

The following is a guest blog post by my brother Ben Liebowitz.  I guess virtualization runs in the family!  Follow him on Twitter at @ben_liebowitz. ———————————————————————— Last year, while working at a previous employer, I wanted to make it easier for less-experienced team members to deploy VMs, while making sure little to no mistakes are made.  I decided to go down the path of a PowerCLI script. Before I get into the script that I wrote, I feel I should

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