[SOLVED] Web GUI not Accessible after upgrade to 9.1

D

dCipher

Member
Jul 19, 2025
32
2
8
Hi

I upgraded from Proxmox 9.0 to version 9.1 and once the Proxmox server was rebooted I could no longer access the Web GUI from any computer on the network. However the Web GUI works perfect on the Proxmox server itself. It use to work perfectly from any computer. The VM's are all running perfectly. Does anyone know what might have happened?

Thanks,
Simon
 
Hi @dCipher ,

dCipher said:
could no longer access the Web GUI from any computer on the network
Click to expand...
Can you clarify this with a more detailed description?

dCipher said:
However the Web GUI works perfect on the Proxmox server itself.
Click to expand...
Could you clarify what you mean by this as well?

dCipher said:
Does anyone know what might have happened?
Click to expand...
There are no widespread reports that would match your symptoms. That usually means that your situation is somewhat unique to your infrastructure. Providing more technical details would be beneficial:

What is the IP of the PVE server?
What is the IP of your workstation?
What is the IP of your gateway?
Can you ping the PVE server?
Can you ssh into PVE server?
What is the output of "ip a" on PVE?
What is the corresponding output from your workstation? (ipconfig /all ; ip a)
What is the output of : cat /etc/network/interfaces
What is the output of "curl -k https://127.0.0.1:8006" when run directly from PVE (over SSH or physical console?)
What is the output of "curl -k https://<CHANGE_THIS_TO_YOUR_PVE_IP>:8006" when run directly from PVE (over SSH or physical console?)

Blockbridge : Ultra low latency all-NVME shared storage for Proxmox - https://www.blockbridge.com/proxmox
 
bbgeek17 said:
Hi @dCipher ,


Can you clarify this with a more detailed description?


Could you clarify what you mean by this as well?


There are no widespread reports that would match your symptoms. That usually means that your situation is somewhat unique to your infrastructure. Providing more technical details would be beneficial:

What is the IP of the PVE server?
What is the IP of your workstation?
What is the IP of your gateway?
Can you ping the PVE server?
Can you ssh into PVE server?
What is the output of "ip a" on PVE?
What is the corresponding output from your workstation? (ipconfig /all ; ip a)
What is the output of : cat /etc/network/interfaces
What is the output of "curl -k https://127.0.0.1:8006" when run directly from PVE (over SSH or physical console?)
What is the output of "curl -k https://<CHANGE_THIS_TO_YOUR_PVE_IP>:8006" when run directly from PVE (over SSH or physical console?)

Blockbridge : Ultra low latency all-NVME shared storage for Proxmox - https://www.blockbridge.com/proxmox
Click to expand...

It turns out that the network was using the wrong interface on the PVE server. It has been running for a month without issue and I never changed any settings I simply rebooted the PVE server. Now that I have edited the network setting and selected the correct interface everything is working again. Strange!!
 
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