permission denied - invalid PVE ticket (401)

brads

New Member
Nov 9, 2025
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I am continuing to get this message.

Proxmox 9 version is the same. Time is the same. Firewall ports are set at the datacenter and server levels.

Server 1:
vmbr0 is a 1G Ethernet (set with primary IP, set default gateway, set DNS)
vmbr1 is a 1G Ethernet (set 10.0.0.1/24, nothing else is set.)

Server 2:
vmbr0 is 10G Ethernet (set with primary IP, set default gateway, set DNS)
vmbr1 is a 1G Ethernet (set 10.0.0.2/24, nothing else is set.)

Test #1:
Cluster configured on vmbr1. Failed.

Test #2:
Removed VLAN configuration on switch. Cluster configured on vmbr1. Failed.

Test #3:
Cluster configured on vmbr0. This was successful.

Any ideas on what may be happening on the vmbr1 configuration?

Any help will be greatly appreciated.
--Brad
 
Last edited:
Is this about the datacenter manager? Or about configuring a pve cluster? I think you picked the wrong topic ^^

Anyway. As it works with vmbr0 and the 10G ports, check if the 1G networks on both nodes can ping each other.

Best if you share /etc/network/interfaces from both nodes.

As you said time is the same, when and where exactly do you get this invalid pve ticket error?