Author Archives: brian.wuchner

Video Card Power Consumption & Savings

The primary system in my homelab is a Dell Precision 7920 Tower. I recently had the case opened and looking inside I saw the video card. This is a physically large Nvidia GeForce RTX 2080ti GPU, but for my purposes … Continue reading

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Upgrade Issues using Aria Suite Lifecycle 8.16

I recently upgraded to Aria Suite Lifecycle 8.16.0 in a lab and ran into issues upgrading various products it managed. Aria Operations for Logs (formerly vRealize Log Insight) was being upgraded 8.14.0 to 8.16.0, but failed with error LCMVRLICONFIG40004 Aria … Continue reading

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TinyCore 15 Virtual Machine – very small VM for testing

For several years I’ve been using a couple of very small TinyCore Linux virtual machines for testing in my lab. These run very well in nested infrastructure and have a package to support open-vm-tools so you can interact with them … Continue reading

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Cannot configure identity source due to Type or value exists.

On vCenter Server 7.0u3p (aka 7.0.3.01800), I recently experienced an error “Cannot configure identity source due to Type or value exists.” when configuring Active Directory over LDAPS. The issue was caused by a duplicate certificate, but that fact was not … Continue reading

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vSphere ESXi Host Certificate Status Alarm bulk resolution

In the vSphere UI, some hosts will occasionally trigger an alarm of “ESXi Host Certificate Status”. VMware Skyline has a finding for this issue as well — vSphere-HostCertStatusAlarm. The resolution is typically straightforward, right click the host > certificates > … Continue reading

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