Question about Subscriptions

Jun 11, 2018
Hello. I want to config add subscription-keys to a proxmox-cluster:
Currently I have 2 Nodes with a total amount of 4 CPUs. I will add a third Node the near future, so my Cluster will have 6 CPUs in Total.

I will need 6 Subscriptions from the same Level. My Question is: At which Point do I have to include the licence?
In a Proxmox VE Cluster you need to have the same subscription level for all your servers.

Do I have to include subscriptions-key on the new Node before or after I join the cluster? Will i face problems, when I will join it first and include the keys after?
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