Tip: Enable minidumps in a Windows guest

You can use virt-win-reg to enable minidumps in Windows guests. Quite easily as it happens.

First prepare a file crashcontrol.reg containing:

; NB: This assumes CurrentControlSet == ControlSet001
; See "CurrentControlSet etc." in virt-win-reg(1)


The key fields are AutoReboot, which you probably want to set to 0 to stop the guest from automatically rebooting when it gets a BSOD, and CrashDumpEnabled for which you can read the docs here.

Then import this into the guest (which must not be running):

$ virt-win-reg --merge GuestName crashcontrol.reg

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