claude-memory/graph/solutions/proxmox-api-token-cannot-set-lxc-feature-flags-on-privileged-83f90a.md
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id type title tags importance confidence created updated relations
83f90a8e-b4a9-4858-a273-c17dd680f3a9 solution Proxmox API token cannot set LXC feature flags on privileged containers
proxmox
api
lxc
permissions
homelab
fix
0.7 0.8 2026-02-08T04:17:39.644059+00:00 2026-02-08T04:17:39.644059+00:00
target type direction strength
384eebbd-a2fd-41a5-93aa-a0f8c332686d BUILDS_ON incoming 0.5

The Proxmox API token (even root@pam!tokenname) cannot set feature flags like nesting=1,keyctl=1 on privileged LXC containers. Error: '403 Forbidden: Permission check failed (changing feature flags for privileged container is only allowed for root@pam)'. Workaround: Use SSH to Proxmox host and run pct create directly instead of the API. The pct CLI running as root@pam has full permissions. This affects the proxmox_client.py create_container method when passing features parameter.