Windows Updates release 13/06/2023 bricking virtual network adapters on hyper-v

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Hi,

Unsure of how else to report this for the MS-DEFCON and sorry if I’m in the wrong category (first time on the forum).

We’ve recently been applying patches due to a pending insurance audit, and the patches released this week have completely destroyed our virtual network adapters.

We’re running hyper-v clustered virtual machines, from what I can tell this has only affected Server 2012-R2 instances and not the Server 2019 instances.

Separate but related issue on my personal machine running windows 11, an update to the your-phone service failed causing Windows Event Log to go haywire and write at 60MBps (not Mbps) to my C drive. All of the logs being written were a failure to write to the event log caused by the backing file of the event log being full. Very odd behaviour, especially since it was able to write these error logs.

Is anyone else seeing these issues? Is it worth going to DEFCON-1 for this?

 

All the best,

Josh.

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I’d open a separate thread under W11 for the event log issue.

cheers, Paul

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DefCon 2 means to be careful.  I normally reserve Defcon 1 for widespread issues.

Let me ask around in regards to hyperV.  Specifically what is the OS on the HyperV parent?

Susan Bradley Patch Lady/Prudent patcher

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I am not seeing this widespread but I don’t have many instances of clustering.

Susan Bradley Patch Lady/Prudent patcher

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