Unable to Upload ISO files via Web

wagnbeu0

New Member
May 9, 2025
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I am using Proxmox 8.4.1 mostly for running LXC containers. Now I´m trying to install some VM, but are facing the issue that large ISO files cannot be uploaded using the Web GUI. I am getting the error message

"Error '0' occurred while receiving the document"

Whe n using SSH to upload the ISO file to the proxmox server to /var/lib/vz/template/iso/, it all works very well. After searching the web it seems that the proxmox GUI is having problems with large ISO files. I tried the RedHat DVD ISO, Windows Server 2025 ISO which all failes. When uploading a 400MB ISO, there is no problem.

The workaround to use SSH is not really a solution, so my question is:

Is this problem known at the software vendor, and will it be changed?