[SOLVED] License check timeout

Feb 14, 2022
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Hello,

I just purchased my Proxmox VE Community Subscription, "uploaded" the license key using the Subscription view in the control panel but the check fails due to connection timeout.
The server is a dedicated server hosted by Hetzner.
Do you have any idea if the issue comes from them and/or can you suggest me where to check to understand where is the issue?1644850408083.png

Thanks,
Pietro
 
It was the firewall but: which port is needed to be open to verify the license?
Should it be kept open or can I close everything again?
Where is this requirement documented?
 

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