Finding Servers Created within the Last Year
One of my customers recently asked me to generate a report showing all of the VMs that they had created within the last 12 months (ideally, broken down by OS), and then another showing the same for 24-12 months ago. I did a bunch of digging around and couldn't find any attribute on the VMs that showed their creation date. Some research revealed that the standard solution to this problem is to get-vievents for all of the VMs, then look at the date of the first event. Unfortunately, this customer had performed a vCenter migration about a year ago, so our logs weren't intact for this purpose. I was stumped, but one of the other admins came up with a good idea: look at the AD objects instead of the VM objects. AD objects actually have a .whenCreated attribute, so we just need to grab them all and then find the ones for our desired timeframes. Of course, that approach grabs all AD computers, including desktops. We just needed a list of servers (we knew that...