Microsoft Azure users running Ubuntu Linux have experienced system problems due to a recent DNS update in Ubuntu 18.04 that has caused Azure VMs to fail.

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Ubuntu Linux, not Windows Server, has been the most popular virtual machine (VM) operating system on Microsoft Azure. In the latest, a recent DNS update in Ubuntu 18.04 has led to Azure VMs failing. The problem began at 06:00 UTC on Aug. 30, 2022, the problem lasted until August 31.

Ubuntu Linux and Azure DNS Problem Gives Azure Fits

<p>This may have explained some issues we were having that day… we never tracked it down</p>
