'Authentication key already exists' error while adding computer to cluster proxmox

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DevOps & SysAdmins: "Authentication key already exists" error while adding computer to cluster proxmox

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Not working same error message but thanks to post a solution from a forum

right solution (2021)

on all nodes/server/pcs

rm /etc/corosync/authkey (one of the keys must exist and need to be deleted!)
rm /etc/pve/corosync.conf
rm /etc/corosync/corosync.conf
rm (one of the keys must exist and need to be deleted!)
to delete the existing files and wrong confs

Then
PC1
pvcem create NAME OF THE CLUSTER
PC2
pvcem add IP OF PC1 WITH THE CLUSTER NAME
PC3
SAME
and so on

landsoflore