pve5to6 fail on "Resolved node IP"

do you have a single node? or a cluster? if you have a single node, then no. you might want to download updates first (--download-only), then power off the guests, then do the actual upgrade
 
do you have a single node? or a cluster? if you have a single node, then no. you might want to download updates first (--download-only), then power off the guests, then do the actual upgrade
That's awesome! Thank you
I have a single node, then I'll follow your tip :)