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Proxmox Support Forum

[SOLVED] - Github Auth for Mirrors-Kernel Repo? [Automation] Mass migration tool for MS Win11/Server Proxmox GUI hang - not response is it possible to reject or quarantine spam based on conditions I set ? The PVENode task list in PVE9 is partially obscured due to the terminal font being too large. About 100% error reporting due to pveproxy.service hooks Kubernetes overlay networking breaks when upgrading from PVE 9.1 to PVE 9.2.3 Zentraler Speicher No space left on device Combine datastore and direct file archival to tape Kernel panic VFS: Unable to mount root fs on unknown-block (0,0) sobald ein 7.x Kernel verwendet wird. How to migrate disk of a VM from one ZFS to another Windows Server 2025 fails to boot after PVE 9.2 / Linux 7.0 Kernel upgrade Cannot Install Proxmox on T610 Poweredge with H700 PERC card sdn Config. gateway not reachable How to safely change domain/FQDN? Welche Filterquote erreicht ihr? 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Advice ceph-osd crashes with kernel 6.17.2-1-pve on Dell system [META] Links on Proxmox Forum Website Hardwarer oder Software RAID Joining a cluster with already created guests VM PDM missing backup jobs from PVE / Log retention Remove VM.Monitor from all users/roles, PVE 9.2 Proxmox Freezing (new instalation) 9.2.2 - Intel 12700T No Web gui and random connection reset by peer [SOLVED] - i40e module for X710 Intel NIC Dutch Proxmox Day 2026 How pools use the space Corosync initiiert Reboot trotz Verfügbarkeit der Systeme Opt-in Linux 7.0 Kernel for Proxmox VE 9 available After PVE 8to9 upgrade, unable to check guest fs freeze status Problem with MegaRAID SAS3508 controller proxmox-kernel-7.0.2-6-pve failing network service Auto sync guest time after rollback of VM snapshot with RAM/state Broadcom BCM57504 (100G) bnxt_en TX timeout and NIC reset on Proxmox 8.1.5 — while BCM57414 (25G) works fine on same host QEMU 11.0 available on pve-test and pve-no-subscription as of now 350 MPM Solventless Lamination Machine for High-Speed Flexible Packaging Making sense of NVMe zfs and SMART errors [SOLVED] - PVE loses network connection after kernel upgrade to proxmox-kernel-7.0.0-3-pve [SOLVED] - Remove or reset cluster configuration. 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Repository update error
invalid@exam · 2026-06-28 · via Proxmox Support Forum

Hi. Proxmox 9 cannot be updated from the pve-no-subscription repository by URI: https://download.proxmox.com/debian/pve because there is a certificate error. The certificate was issued for enterprise.proxmox.com

Code:

Hit:1 http://security.debian.org/debian-security trixie-security InRelease
Hit:2 http://deb.debian.org/debian trixie InRelease                                                                             
Hit:3 http://deb.debian.org/debian trixie-updates InRelease                                     
Hit:4 http://download.proxmox.com/debian/ceph-squid trixie InRelease                             
Ign:5 https://download.proxmox.com/debian/pve trixie InRelease             
Ign:5 https://download.proxmox.com/debian/pve trixie InRelease
Ign:5 https://download.proxmox.com/debian/pve trixie InRelease
Err:5 https://download.proxmox.com/debian/pve trixie InRelease
  SSL connection failed: error:0A000086:SSL routines::certificate verify failed / Success [IP: 45.84.67.184 443]
All packages are up to date.     
Warning: Failed to fetch https://download.proxmox.com/debian/pve/dists/trixie/InRelease  SSL connection failed: error:0A000086:SSL routines::certificate verify failed / Success [IP: 45.84.67.184 443]
Warning: Some index files failed to download. They have been ignored, or old ones used instead.

sterzy

Proxmox Staff Member

Staff member

Do you have a proxy in between you and the host? Also could you post the output of the following command openssl s_client -connect '45.84.67.184:443'? Ideally in a [code][/code] block? Thanks!

UdoB

Distinguished Member
Nov 1, 2016
3,776
2,502
273
Germany

Sorry for necroposting, but I have the same issue:
I'd like to compile nvidia drivers, so I'd like to install pve-headers - but when adding "download.proxmox.com" APT source (following the above wiki instructions), I get:

Err:4 https://download.proxmox.com/debian/pve trixie InRelease
SSL connection failed: error:0A000086:SSL routines::certificate verify failed / Success [IP: 45.144.xx.xx 443]
All packages are up to date.
Warning: Failed to fetch https://download.proxmox.com/debian/pve/dists/trixie/InRelease SSL connection failed: error:0A000086:SSL routines::certificate verify failed / Success [IP: 45.144.208.36 443]
Warning: Some index files failed to download. They have been ignored, or old ones used instead.

Indeed, the reason is that download.proxmox.com still returns an SSL-cert for enterprise.proxmox.com:

Just wanted to say the SSL-confusion is still a (confusing-me) issue ;)

Thanks for all your great work!