KB3161606 Reported to Break Hyper-V

The June 2016 rollup for Windows RT 8.1, Windows 8.1, and Windows Server 2012 R2 is being reported to break Hyper-V instances for Windows installations.

Aidan Finn, blogger and Microsoft MVP, made note of the issue on Twitter…

And, then followed up with a blog post about the situation:

Don’t Deploy KB3161606 To Hyper-V Hosts Or VMs

Aidan’s frustration over the continuing problems with Microsoft’s quality control over updates is clear when he says…

My advice is the same as it has been for a while now. If you have the means to manage updates, then do not approve them for 2 months (I used to say 1 month, but System Center Service Manager decided to cause havoc a little while ago). Let someone else be the tester that gets burned and fired.

A post to Windows Update Checker indicates that the issue is from the new HyperV-Integration-Service. A possible resolution is also available there: Solved: Error 14101 when you try to install KB3161606 or HyperV-Integration-Service