DevNodeClean: Deleting Unused Devices

Recently a Microsoft support agent used a tool that I wasn’t familiar with:  DevNodeClean. Basically Windows creates a device in registry for every new device that is connected—even if it’s …

UniFi VPN Fails after Edit

Yesterday, on my UniFI USG configuration, I made a small change to a site-to-site IPSec VPN. It broke—I could no longer connect to the remote site. I reverted the change. …

More Essentials Certificate Woes

I wrote in November 2017 about Windows Server Essentials certificates getting renewed every two days. That problem suddenly stopped. The only change I had made was replacing a router. Now, …