tls_process_server_certificate: certificate verify failed (596)

Sometimes I get this error message in Proxmox after making a network change, messing with an ssh key, or some other random mistake. Once this happens, the nodes in my cluster become inaccessible through the admin interface. Here’s how I get the cluster running again:

Copy and paste the command that ssh spits out to remove the bad keys (if applicable)

Log in to each node and type:

pvecm updatecerts -F && systemctl restart pvedaemon pveproxy

The web interface should work again after a shift-click of the refresh button!






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