diff --git a/vm/unifi-os-server-vm.sh b/vm/unifi-os-server-vm.sh
new file mode 100644
index 000000000..4152c8da4
--- /dev/null
+++ b/vm/unifi-os-server-vm.sh
@@ -0,0 +1,495 @@
+#!/usr/bin/env bash
+
+# Copyright (c) 2021-2026 community-scripts ORG
+# Author: MickLesk (CanbiZ)
+# License: MIT | https://github.com/community-scripts/ProxmoxVE/raw/main/LICENSE
+
+COMMUNITY_SCRIPTS_URL="${COMMUNITY_SCRIPTS_URL:-https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main}"
+source <(curl -fsSL "${COMMUNITY_SCRIPTS_CORE_URL:-https://raw.githubusercontent.com/community-scripts/core/main}/pve/vm-core.func")
+load_functions
+
+GEN_MAC=02:$(openssl rand -hex 5 | awk '{print toupper($0)}' | sed 's/\(..\)/\1:/g; s/.$//')
+RANDOM_UUID="$(cat /proc/sys/kernel/random/uuid)"
+METHOD=""
+APP="UniFi OS Server"
+APP_TYPE="vm"
+NSAPP="unifi-os-server-vm"
+var_os="-"
+var_version="-"
+CLOUDINIT_REQUIRED=1
+OS_TYPE=""
+OS_VERSION=""
+OS_CODENAME=""
+OS_DISPLAY=""
+
+HA=$(echo "\033[1;34m")
+
+THIN="discard=on,ssd=1,"
+
+header_info
+echo -e "\n Loading..."
+
+set -Eeuo pipefail
+trap 'error_handler $LINENO "$BASH_COMMAND"' ERR
+trap cleanup EXIT
+trap 'post_update_to_api "failed" "INTERRUPTED"' SIGINT
+trap 'post_update_to_api "failed" "TERMINATED"' SIGTERM
+
+vm_require_arch amd64
+
+TEMP_DIR=$(mktemp -d)
+pushd $TEMP_DIR >/dev/null
+
+function select_os() {
+  if [[ -n "${1:-}" ]]; then
+    OS_CHOICE="$1"
+  elif [[ "${VM_UNATTENDED:-0}" == "1" ]]; then
+    OS_CHOICE="${VM_OS_VERSION:-debian13}"
+  elif ! OS_CHOICE=$(whiptail --backtitle "Proxmox VE Helper Scripts" --title "SELECT OS" --radiolist \
+    "Choose Operating System for UniFi OS VM" 12 68 2 \
+    "debian13" "Debian 13 (Trixie) - Latest" ON \
+    "ubuntu2404" "Ubuntu 24.04 LTS (Noble)" OFF \
+    3>&1 1>&2 2>&3); then
+    exit_script
+  fi
+
+  case $OS_CHOICE in
+  debian13)
+    OS_TYPE="debian"
+    OS_VERSION="13"
+    OS_CODENAME="trixie"
+    OS_DISPLAY="Debian 13 (Trixie)"
+    ;;
+  ubuntu2404)
+    OS_TYPE="ubuntu"
+    OS_VERSION="24.04"
+    OS_CODENAME="noble"
+    OS_DISPLAY="Ubuntu 24.04 LTS"
+    ;;
+  *)
+    msg_error "Unsupported OS '${OS_CHOICE}' (expected debian13 or ubuntu2404)"
+    exit 1
+    ;;
+  esac
+}
+
+function get_image_url() {
+  local arch
+  arch=$(dpkg --print-architecture)
+  case $OS_TYPE in
+  debian)
+    # Always use Cloud-Init variant for UniFi OS
+    echo "https://cloud.debian.org/images/cloud/${OS_CODENAME}/latest/debian-${OS_VERSION}-generic-${arch}.qcow2"
+    ;;
+  ubuntu)
+    # Ubuntu only has cloudimg variant (always with Cloud-Init support)
+    echo "https://cloud-images.ubuntu.com/${OS_CODENAME}/current/${OS_CODENAME}-server-cloudimg-${arch}.img"
+    ;;
+  esac
+}
+
+function default_settings() {
+  vm_apply_machine_type "q35"
+  select_os "${VM_OS_VERSION:-debian13}"
+
+  # Set defaults for other settings
+  VMID=$(get_valid_nextid)
+  DISK_CACHE=""
+  DISK_SIZE="32G"
+  HN="unifi-server-os"
+  CPU_TYPE=" -cpu host"
+  CORE_COUNT="2"
+  RAM_SIZE="6144"
+  BRG="vmbr0"
+  MAC="$GEN_MAC"
+  VLAN=""
+  MTU=""
+  START_VM="yes"
+  METHOD="default"
+  vm_echo_default_settings
+}
+
+function advanced_settings() {
+  METHOD="advanced"
+  select_os
+  vm_prompt_vmid "${VMID:-$(get_valid_nextid)}"
+  vm_prompt_machine_type "q35"
+  vm_prompt_disk_size "32G"
+  vm_prompt_disk_cache "none"
+  vm_prompt_hostname "unifi-server-os"
+  vm_prompt_cpu_model "host"
+  vm_prompt_cpu_cores "2"
+  vm_prompt_ram "6144"
+  vm_prompt_bridge "vmbr0"
+  vm_prompt_mac "$GEN_MAC"
+  vm_prompt_vlan
+  vm_prompt_mtu
+  vm_prompt_verbose "no"
+  vm_prompt_start_vm "yes"
+
+  if vm_confirm_advanced_settings "Ready to create a UniFi OS Server VM?"; then
+    echo -e "${CREATING}${BOLD}${DGN}Creating a UniFi OS Server VM using the above advanced settings${CL}"
+  else
+    header_info
+    echo -e "${ADVANCED}${BOLD}${RD}Using Advanced Settings${CL}"
+    advanced_settings
+  fi
+}
+
+vm_preflight
+
+if [[ "${VM_UNATTENDED:-0}" == "1" ]]; then
+  CLOUDINIT_PASSWORD="${CLOUDINIT_PASSWORD:-${VM_ROOT_PASSWORD:-}}"
+fi
+vm_prompt_cloud_init "root"
+if [[ "${USE_CLOUD_INIT:-no}" != "yes" ]]; then
+  msg_error "UniFi OS Server requires Cloud-Init"
+  exit 1
+fi
+if ! declare -f setup_cloud_init >/dev/null; then
+  msg_error "Required Cloud-Init helpers are unavailable"
+  exit 1
+fi
+if [[ "${VM_UNATTENDED:-0}" == "1" && -n "${VM_SSH_KEYS:-}" && -z "${CLOUDINIT_SSH_KEYS:-}" ]]; then
+  if [[ -f "$VM_SSH_KEYS" ]]; then
+    cp "$VM_SSH_KEYS" "$TEMP_DIR/ssh-keys-input"
+  else
+    printf '%s\n' "$VM_SSH_KEYS" >"$TEMP_DIR/ssh-keys-input"
+  fi
+  CLOUDINIT_SSH_KEYS="$TEMP_DIR/ssh-keys.pub"
+  _ci_ssh_extract_keys_from_file "$TEMP_DIR/ssh-keys-input" >"$CLOUDINIT_SSH_KEYS"
+  if [[ ! -s "$CLOUDINIT_SSH_KEYS" ]] || ! ssh-keygen -lf "$CLOUDINIT_SSH_KEYS" >/dev/null; then
+    msg_error "VM_SSH_KEYS must contain valid SSH public keys or name a public-key file"
+    exit 1
+  fi
+fi
+
+vm_start_script "Use Default Settings?\n\nDefaults:\n• 2 CPU Cores\n• 6 GB RAM\n• 32 GB Disk\n• Cloud-Init enabled" 14 58
+post_to_api_vm
+
+msg_info "Checking system resources"
+SYSTEM_RAM_GB=$(grep MemTotal /proc/meminfo | awk '{printf "%.0f", $2 / 1024 / 1024}')
+SYSTEM_SWAP_GB=$(grep SwapTotal /proc/meminfo | awk '{printf "%.0f", $2 / 1024 / 1024}')
+SYSTEM_FREE_DISK_GB=$(df -BG / | awk 'NR==2 {print $4}' | sed 's/G//')
+if [[ ${SYSTEM_RAM_GB} -lt 4 ]]; then
+  msg_error "Warning: Less than 4GB RAM detected (${SYSTEM_RAM_GB}GB). Install may be slow."
+  sleep 3
+fi
+if [[ ${SYSTEM_FREE_DISK_GB} -lt 10 ]]; then
+  msg_error "Warning: Less than 10GB free disk detected. Install may fail."
+  sleep 3
+fi
+msg_ok "System resources: ${SYSTEM_RAM_GB}GB RAM, ${SYSTEM_FREE_DISK_GB}GB free disk"
+
+if command -v ufw &>/dev/null; then
+  if ufw status verbose | grep -q "Status: active"; then
+    msg_info "Setting up firewall rules for UniFi OS Server ports"
+    ufw allow 11443/tcp 2>/dev/null
+    ufw allow 8080/tcp 2>/dev/null
+    ufw allow 3478/tcp 2>/dev/null
+    ufw allow 3478/udp 2>/dev/null
+    msg_ok "Firewall rules configured"
+  fi
+fi
+
+vm_select_storage "$HN"
+
+# Fetch latest UniFi OS Server version and download URL
+msg_info "Fetching latest UniFi OS Server version"
+
+# Install jq if not available
+if ! command -v jq &>/dev/null; then
+  msg_info "Installing jq for JSON parsing"
+  $STD apt-get update
+  $STD apt-get install -y jq
+fi
+
+# Download firmware list from Ubiquiti API
+API_URL="https://fw-update.ui.com/api/firmware-latest"
+TEMP_JSON=$(mktemp)
+
+if ! curl -fsSL "$API_URL" -o "$TEMP_JSON"; then
+  rm -f "$TEMP_JSON"
+  msg_error "Failed to fetch data from Ubiquiti API"
+  exit 1
+fi
+
+# Parse JSON to find latest unifi-os-server linux-x64 version
+LATEST=$(jq -r '
+  ._embedded.firmware
+  | map(select(.product == "unifi-os-server"))
+  | map(select(.platform == "linux-x64"))
+  | sort_by(.version_major, .version_minor, .version_patch)
+  | last
+' "$TEMP_JSON")
+
+UOS_VERSION=$(echo "$LATEST" | jq -r '.version' | sed 's/^v//')
+UOS_URL=$(echo "$LATEST" | jq -r '._links.data.href')
+
+# Cleanup temp file
+rm -f "$TEMP_JSON"
+
+if [[ -z "$UOS_URL" || "$UOS_URL" == "null" || -z "$UOS_VERSION" || "$UOS_VERSION" == "null" ]]; then
+  msg_error "Failed to parse UniFi OS Server version or download URL"
+  exit 1
+fi
+
+UOS_INSTALLER="unifi-os-server-${UOS_VERSION}.bin"
+msg_ok "Found UniFi OS Server ${UOS_VERSION}"
+
+# --- Download Cloud Image ---
+msg_info "Downloading ${OS_DISPLAY} Cloud Image"
+URL=$(get_image_url)
+sleep 2
+msg_ok "${CL}${BL}${URL}${CL}"
+CACHE_FILE="$(vm_image_cache_path "$URL")"
+vm_fetch_image "$URL" "$CACHE_FILE" --cache --min-bytes $((100 * 1024 * 1024)) || exit 115
+FILE="$(basename "$CACHE_FILE")"
+# Work on a copy: virt-customize below rewrites the image,
+# which would poison the cache for every later VM.
+cp -f "$CACHE_FILE" "$FILE"
+
+# Resize the imported disk with vm_resize_disk; Cloud-Init grows the actual root
+# filesystem before the first-boot installer runs, without another offline copy.
+
+# --- Download UniFi OS installer on the host ---
+msg_info "Downloading UniFi OS Server ${UOS_VERSION} installer"
+curl -fsSL "${UOS_URL}" -o "unifi-os-server.bin"
+chmod +x "unifi-os-server.bin"
+msg_ok "Downloaded UniFi OS Server installer"
+
+# --- Pre-install packages and setup first-boot installer via virt-customize ---
+msg_info "Customizing disk image (installing packages, staging installer)"
+
+# Create the first-boot installer script
+FIRSTBOOT_SCRIPT=$(mktemp)
+cat >"$FIRSTBOOT_SCRIPT" <<'FBEOF'
+#!/bin/bash
+set -euo pipefail
+LOG="/var/log/unifi-os-install.log"
+exec > >(tee -a "$LOG") 2>&1
+echo "[$(date)] Starting UniFi OS Server first-boot setup..."
+trap 'echo "[$(date)] ERROR: First-boot setup failed at line $LINENO"' ERR
+if ! systemctl start qemu-guest-agent; then
+  echo "[$(date)] WARNING: Preinstalled guest agent could not start; retrying after package installation"
+fi
+
+# Sync clock before apt (fresh VMs have clock skew that breaks GPG signature validation)
+echo "[$(date)] Syncing system clock..."
+if ! timedatectl set-ntp true; then
+  echo "[$(date)] WARNING: Could not enable NTP; checking existing clock synchronization"
+fi
+# Try NTP first
+for attempt in {1..6}; do
+  if timedatectl show -p NTPSynchronized --value 2>/dev/null | grep -q "yes"; then
+    echo "[$(date)] Clock synchronized via NTP"
+    break
+  fi
+  sleep 5
+done
+# Fallback: sync from HTTP header if NTP didn't work
+if ! timedatectl show -p NTPSynchronized --value 2>/dev/null | grep -q "yes"; then
+  if HTTP_DATE=$(curl -fsSI --max-time 10 https://deb.debian.org | sed -n 's/^[Dd]ate: //p' | tr -d '\r') &&
+    [ -n "$HTTP_DATE" ] && date -s "$HTTP_DATE" >/dev/null; then
+    echo "[$(date)] Clock synchronized via HTTP"
+  else
+    echo "[$(date)] WARNING: Clock synchronization unavailable"
+  fi
+fi
+
+# Install required packages
+export DEBIAN_FRONTEND=noninteractive
+echo "[$(date)] Installing packages..."
+for attempt in {1..3}; do
+  if apt-get update -qq 2>&1; then
+    break
+  fi
+  if [ "$attempt" -eq 3 ]; then
+    echo "[$(date)] apt-get update failed after 3 attempts"
+    exit 1
+  fi
+  echo "[$(date)] apt-get update failed (attempt $attempt/3), retrying in 10s..."
+  sleep 10
+done
+for attempt in {1..3}; do
+  if apt-get install -y -qq qemu-guest-agent podman uidmap slirp4netns curl wget; then
+    break
+  fi
+  if [ "$attempt" -eq 3 ]; then
+    echo "[$(date)] apt-get install failed after 3 attempts"
+    exit 1
+  fi
+  echo "[$(date)] apt-get install failed (attempt $attempt/3), retrying in 10s..."
+  sleep 10
+done
+systemctl enable --now qemu-guest-agent
+echo "[$(date)] Packages installed"
+
+# Setup swap (2GB)
+if [ ! -f /swapfile ]; then
+  fallocate -l 2G /swapfile
+  chmod 600 /swapfile
+  mkswap /swapfile
+  swapon /swapfile
+  echo '/swapfile none swap sw 0 0' >> /etc/fstab
+  echo "[$(date)] Swap file created"
+fi
+
+# Run UniFi OS installer
+if [ -f /opt/unifi-os-server.bin ]; then
+  cd /opt
+  ./unifi-os-server.bin <<<'y'
+  rm -f /opt/unifi-os-server.bin
+  echo "[$(date)] UniFi OS Server installed successfully"
+else
+  echo "[$(date)] ERROR: /opt/unifi-os-server.bin not found"
+  exit 1
+fi
+
+# Disable this service after successful run
+systemctl disable unifi-os-firstboot.service
+echo "[$(date)] First-boot setup complete"
+FBEOF
+
+# Create the systemd service unit file
+FIRSTBOOT_SVC=$(mktemp)
+cat >"$FIRSTBOOT_SVC" <<'SVCEOF'
+[Unit]
+Description=UniFi OS Server First Boot Installer
+After=network-online.target cloud-final.service qemu-guest-agent.service
+Wants=network-online.target cloud-final.service qemu-guest-agent.service
+ConditionPathExists=/opt/unifi-os-server.bin
+
+[Service]
+Type=oneshot
+ExecStart=/opt/unifi-os-firstboot.sh
+RemainAfterExit=yes
+StandardOutput=journal+console
+
+[Install]
+# cloud-final runs after multi-user.target; using that target here would cycle.
+WantedBy=cloud-init.target
+SVCEOF
+
+vm_prepare_cloud_image "$FILE" "$HN"
+
+virt-customize -a "${FILE}" \
+  --upload "unifi-os-server.bin:/opt/unifi-os-server.bin" \
+  --chmod 0755:/opt/unifi-os-server.bin \
+  --upload "$FIRSTBOOT_SCRIPT:/opt/unifi-os-firstboot.sh" \
+  --chmod 0755:/opt/unifi-os-firstboot.sh \
+  --upload "$FIRSTBOOT_SVC:/etc/systemd/system/unifi-os-firstboot.service" \
+  --run-command "systemctl enable unifi-os-firstboot.service" \
+  --run-command "systemctl enable ssh" \
+  2>&1 | while read -r line; do echo -ne "${BFR}${TAB}${YW}${HOLD}${line}${HOLD}"; done
+
+rm -f "$FIRSTBOOT_SCRIPT" "$FIRSTBOOT_SVC" "unifi-os-server.bin"
+msg_ok "Disk image customized (UniFi OS ${UOS_VERSION} staged for first-boot install)"
+
+msg_info "Creating UniFi OS VM"
+qm create "$VMID" -agent 1${MACHINE} -tablet 0 -localtime 1 -bios ovmf \
+  ${CPU_TYPE} -cores "$CORE_COUNT" -memory "$RAM_SIZE" \
+  -name "$HN" -tags community-script \
+  -net0 virtio,bridge="$BRG",macaddr="$MAC""$VLAN""$MTU" \
+  -onboot 1 -ostype l26 -scsihw virtio-scsi-pci
+
+IMPORT_OUT="$(qm importdisk "$VMID" "$FILE" "$STORAGE" --format "$DISK_IMPORT_FORMAT" 2>&1)"
+DISK_REF="$(printf '%s\n' "$IMPORT_OUT" | sed -n "s/.*successfully imported disk '\([^']\+\)'.*/\1/p")"
+
+if [[ -z "$DISK_REF" ]]; then
+  DISK_REF="$(pvesm list "$STORAGE" | awk -v id="$VMID" '$1 ~ ("vm-"id"-disk-") {print $1}' | sort | tail -n1)"
+fi
+if [[ -z "$DISK_REF" ]]; then
+  msg_error "Unable to determine imported UniFi OS VM disk reference"
+  printf '%s\n' "$IMPORT_OUT" >&2
+  exit 1
+fi
+
+qm set "$VMID" \
+  -efidisk0 "${STORAGE}:0,efitype=4m" \
+  -scsi0 "${DISK_REF},${DISK_CACHE}size=${DISK_SIZE}" \
+  -boot order=scsi0 -serial0 socket >/dev/null
+vm_resize_disk
+qm set "$VMID" --agent enabled=1 >/dev/null
+
+vm_mark_created
+vm_provision "$VMID"
+# Core currently suppresses SSH-key write errors; keep them fatal for this VM.
+if [[ -n "${CLOUDINIT_SSH_KEYS:-}" ]]; then
+  qm set "$VMID" --sshkeys "$CLOUDINIT_SSH_KEYS" >/dev/null
+fi
+
+set_description
+
+msg_ok "Created a UniFi OS VM ${CL}${BL}(${HN})"
+msg_info "Operating System: ${OS_DISPLAY}"
+msg_info "Cloud-Init: ${USE_CLOUD_INIT}"
+
+VM_IP=""
+UNIFI_READY=""
+if [ "$START_VM" == "yes" ]; then
+  msg_info "Starting UniFi OS VM"
+  $STD qm start $VMID
+  msg_ok "Started UniFi OS VM"
+
+  msg_info "Waiting for VM IP via the preinstalled guest agent"
+  if VM_IP=$(get_vm_ip "$VMID" 360); then
+    if GUEST_INTERFACES=$(qm guest cmd "$VMID" network-get-interfaces 2>"$TEMP_DIR/guest-agent.log") &&
+      VM_IP=$(jq -er --arg mac "$MAC" '
+        [.[] | select((.["hardware-address"] // "" | ascii_downcase) == ($mac | ascii_downcase))
+         | .["ip-addresses"][]? | select(.["ip-address-type"] == "ipv4")
+         | .["ip-address"] | select(startswith("127.") or startswith("169.254.") | not)]
+        | first // empty
+      ' <<<"$GUEST_INTERFACES" 2>"$TEMP_DIR/guest-agent.log"); then
+      msg_ok "Guest agent responding — VM IP: ${VM_IP}"
+    else
+      VM_IP=""
+      msg_warn "Guest agent did not report a usable IPv4 address for the VM network interface (${MAC})"
+      if [[ -s "$TEMP_DIR/guest-agent.log" ]]; then
+        msg_warn "Guest agent query: $(tail -n 1 "$TEMP_DIR/guest-agent.log")"
+      fi
+      msg_warn "Check DHCP/static IP settings and ip -4 addr in the VM console"
+    fi
+  else
+    msg_warn "VM started, but no IP was reported by the guest agent"
+    if ! qm guest cmd "$VMID" network-get-interfaces >/dev/null 2>"$TEMP_DIR/guest-agent.log"; then
+      msg_warn "Guest agent query failed: $(tail -n 1 "$TEMP_DIR/guest-agent.log")"
+    fi
+    msg_warn "Check the VM console: ip -4 addr; systemctl status qemu-guest-agent"
+  fi
+
+  # Wait for UniFi OS to be ready on port 11443
+  if [ -n "$VM_IP" ]; then
+    msg_info "Waiting for UniFi OS to start on https://${VM_IP}:11443 (may take several minutes)"
+    for i in {1..60}; do
+      if curl -fsSk --max-time 3 "https://${VM_IP}:11443" -o /dev/null &>/dev/null; then
+        UNIFI_READY="yes"
+        break
+      fi
+      printf "\r${TAB}${YW}${HOLD}Waiting for UniFi OS to start on https://${VM_IP}:11443 (may take several minutes) [%ds]${HOLD}" "$((i * 5))"
+      sleep 5
+    done
+
+    if [ -n "$UNIFI_READY" ]; then
+      msg_ok "UniFi OS is up at https://${VM_IP}:11443"
+    else
+      msg_warn "UniFi OS is not ready; first-boot installation may still be running or may have failed"
+    fi
+  fi
+
+else
+  msg_info "Start VM ${VMID} to run the UniFi OS first-boot installation"
+fi
+
+echo ""
+echo -e "${TAB}${GATEWAY}${BOLD}${GN}UniFi OS Server VM created!${CL}"
+echo -e "${TAB}${INFO}Web interface (after installation): https://${VM_IP:-<VM-IP>}:11443"
+echo -e "${TAB}${INFO}Console login: ${CLOUDINIT_USER:-root}"
+echo -e "${TAB}${INFO}Cloud-Init credentials: ${CLOUDINIT_CRED_FILE}"
+if [[ "$UNIFI_READY" != "yes" ]]; then
+  echo -e "${TAB}${INFO}In the VM: journalctl -u cloud-final -u unifi-os-firstboot.service"
+  echo -e "${TAB}${INFO}Install log: /var/log/unifi-os-install.log"
+fi
+echo ""
+post_update_to_api "done" "none"
+msg_ok "VM provisioning completed.\n"