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The original was posted on /r/sysadmin by /u/B1tN1nja on 2024-01-18 15:46:37+00:00.
We have a hyper-v guest that's Windows Server 2019 Standard that will randomly lose network connectivity until we reboot it.
This happened once a few months ago, then on Tuesday, and again just this morning (Thursday).
Clearly it's a repeating issue and something we need to get to the bottom of.
I was able to get into the server via the host OS and run a ping from the guest to the host but it flailed with
"no resources"
I have not yet re-created the virtual switch yet, but it's just using a dedicated NIC port and NOT sharing that with the host OS
Event logs don't show anything of interest over the past hour in system or application on host OR guest OS
Any advice on where we can look and what might be causing this?