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![]() A new installation on new hardware (restoring VMs from the backup).In general, there are two ways to upgrade a Proxmox VE 7.x system to Proxmox VE 8.x: In case the system is customized and/or uses additional packages or any other third party repositories/packages, ensure those packages are also upgraded to and compatible with Debian Bookworm. Test the backup beforehand in a test lab setup. Note: A valid and tested backup is always required before starting the upgrade process. Depending on the existing configuration, several manual steps-including some downtime-may be required. You should plan the upgrade carefully, make and verify backups before beginning, and test extensively. Proxmox VE 8.x introduces several new major features. 4.7.2 Unable to boot due to grub failure.4.6.8 Systemd-boot (for ZFS on root and UEFI systems only).4.6.5.2 Network Fails on Boot Due to NTPsec Hook.4.6.4.2 VM Live-Migration with Intel Skylake (or newer) CPUs.4.6.4.1 VM Live-Migration with different host CPUs.4.6.3 Older Hardware and New 6.2 Kernel and Other Software.4.6.1.1 Upgrade wants to remove package 'proxmox-ve'.4.3.5 Check Result & Reboot Into Updated Kernel.4.3.4 Upgrade the system to Debian Bookworm and Proxmox VE 8.0.4.3.3.3 Update the Ceph Package Repository.4.3.3.2 Add the Proxmox VE 8 Package Repository.4.3.3.1 Update Debian Base Repositories to Bookworm. ![]() 4.3.3 Update the configured APT repositories.4.3.2 Move important Virtual Machines and Containers.4.3.1 Continuously use the pve7to8 checklist script. ![]()
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