windows_exporter/contrib/monitoring/windows_alerts.yaml

groups:
- name: "windows-exporter"
  rules:
  - alert: "WindowsExporterDown"
    annotations:
      description: "Prometheus cannot scrape Windows exporter on {{ $labels.instance }} (job {{ $labels.job }})."
      runbook_url: "https://prometheus-community.github.io/windows_exporter/runbooks/windowsexporterdown/"
      summary: "Windows exporter is unreachable"
    expr: |
      up{job="windows_exporter"} == 0
    for: "5m"
    labels:
      severity: "critical"
  - alert: "WindowsCollectorFailed"
    annotations:
      description: "Collector {{ $labels.collector }} on {{ $labels.instance }} has failed for at least 5 minutes."
      runbook_url: "https://prometheus-community.github.io/windows_exporter/runbooks/windowscollectorfailed/"
      summary: "Windows collector failed"
    expr: |
      windows_exporter_collector_success{job="windows_exporter"} == 0
    for: "5m"
    labels:
      severity: "warning"
  - alert: "WindowsCollectorTimeout"
    annotations:
      description: "Collector {{ $labels.collector }} on {{ $labels.instance }} has not finished within the scrape timeout for 10 minutes."
      runbook_url: "https://prometheus-community.github.io/windows_exporter/runbooks/windowscollectortimeout/"
      summary: "Windows collector exceeds the scrape timeout"
    expr: |
      windows_exporter_collector_timeout{job="windows_exporter"} == 1
    for: "10m"
    labels:
      severity: "warning"
  - alert: "WindowsScrapeQueueTimeout"
    annotations:
      description: "Scrapes of {{ $labels.instance }} have timed out waiting for an earlier scrape to finish for 10 minutes."
      runbook_url: "https://prometheus-community.github.io/windows_exporter/runbooks/windowsscrapequeuetimeout/"
      summary: "Windows exporter scrapes time out in the queue"
    expr: |
      windows_exporter_scrape_queue_timeout{job="windows_exporter"} == 1
    for: "10m"
    labels:
      severity: "warning"
- name: "windows-cpu"
  rules:
  - alert: "WindowsCPUHighUsage"
    annotations:
      description: "CPU usage on {{ $labels.instance }} has exceeded 90% for 15 minutes."
      runbook_url: "https://prometheus-community.github.io/windows_exporter/runbooks/windowscpuhighusage/"
      summary: "Windows CPU usage is high"
    expr: |
      windows:cpu_usage:ratio{job="windows_exporter"} * 100 > 90
    for: "15m"
    keep_firing_for: "5m"
    labels:
      severity: "warning"
  - alert: "WindowsCPUSaturation"
    annotations:
      description: "More than 2 threads per logical processor have been waiting for CPU time on {{ $labels.instance }} for 15 minutes."
      runbook_url: "https://prometheus-community.github.io/windows_exporter/runbooks/windowscpusaturation/"
      summary: "Windows processor queue is long"
    expr: |
      windows:cpu_queue_per_core:ratio{job="windows_exporter"} > 2
    for: "15m"
    keep_firing_for: "5m"
    labels:
      severity: "warning"
- name: "windows-memory"
  rules:
  - alert: "WindowsMemoryHighUsage"
    annotations:
      description: "Physical memory usage on {{ $labels.instance }} has exceeded 90% for 15 minutes."
      runbook_url: "https://prometheus-community.github.io/windows_exporter/runbooks/windowsmemoryhighusage/"
      summary: "Windows memory usage is high"
    expr: |
      windows:memory_usage:ratio{job="windows_exporter"} * 100 > 90
    for: "15m"
    keep_firing_for: "5m"
    labels:
      severity: "warning"
  - alert: "WindowsMemoryCommitHighUsage"
    annotations:
      description: "Committed memory on {{ $labels.instance }} has exceeded 90% of the commit limit for 15 minutes."
      runbook_url: "https://prometheus-community.github.io/windows_exporter/runbooks/windowsmemorycommithighusage/"
      summary: "Windows memory commit usage is high"
    expr: |
      windows:memory_committed:ratio{job="windows_exporter"} * 100 > 90
    for: "15m"
    keep_firing_for: "5m"
    labels:
      severity: "warning"
  - alert: "WindowsMemoryPagingHigh"
    annotations:
      description: "Paging on {{ $labels.instance }} has exceeded 1000 pages per second for 15 minutes."
      runbook_url: "https://prometheus-community.github.io/windows_exporter/runbooks/windowsmemorypaginghigh/"
      summary: "Windows memory paging is high"
    expr: |
      windows:memory_swap_page_operations:rate{job="windows_exporter"} > 1000
    for: "15m"
    keep_firing_for: "5m"
    labels:
      severity: "warning"
- name: "windows-disk"
  rules:
  - alert: "WindowsDiskReadLatencyHigh"
    annotations:
      description: "Volume {{ $labels.volume }} on {{ $labels.instance }} has averaged more than 0.05 seconds per read operation for 15 minutes."
      runbook_url: "https://prometheus-community.github.io/windows_exporter/runbooks/windowsdiskreadlatencyhigh/"
      summary: "Windows disk read latency is high"
    expr: |
      windows:logical_disk_read_latency:seconds{job="windows_exporter", volume!=""} > 0.05
    for: "15m"
    keep_firing_for: "5m"
    labels:
      severity: "warning"
  - alert: "WindowsDiskWriteLatencyHigh"
    annotations:
      description: "Volume {{ $labels.volume }} on {{ $labels.instance }} has averaged more than 0.05 seconds per write operation for 15 minutes."
      runbook_url: "https://prometheus-community.github.io/windows_exporter/runbooks/windowsdiskwritelatencyhigh/"
      summary: "Windows disk write latency is high"
    expr: |
      windows:logical_disk_write_latency:seconds{job="windows_exporter", volume!=""} > 0.05
    for: "15m"
    keep_firing_for: "5m"
    labels:
      severity: "warning"
  - alert: "WindowsDiskAlmostFull"
    annotations:
      description: "Volume {{ $labels.volume }} on {{ $labels.instance }} has less than 10% free space. Windows may delay space metrics by 10–15 minutes."
      runbook_url: "https://prometheus-community.github.io/windows_exporter/runbooks/windowsdiskalmostfull/"
      summary: "Windows disk space is low"
    expr: |
      windows:logical_disk_free:ratio{job="windows_exporter", volume!=""} * 100 < 10
    for: "15m"
    keep_firing_for: "5m"
    labels:
      severity: "warning"
  - alert: "WindowsDiskAlmostFull"
    annotations:
      description: "Volume {{ $labels.volume }} on {{ $labels.instance }} has less than 5% free space. Windows may delay space metrics by 10–15 minutes."
      runbook_url: "https://prometheus-community.github.io/windows_exporter/runbooks/windowsdiskalmostfull/"
      summary: "Windows disk space is low"
    expr: |
      windows:logical_disk_free:ratio{job="windows_exporter", volume!=""} * 100 < 5
    for: "15m"
    keep_firing_for: "5m"
    labels:
      severity: "critical"
  - alert: "WindowsDiskFillingUp"
    annotations:
      description: "Volume {{ $labels.volume }} on {{ $labels.instance }} is predicted to fill within 24 hours."
      runbook_url: "https://prometheus-community.github.io/windows_exporter/runbooks/windowsdiskfillingup/"
      summary: "Windows disk is predicted to fill up"
    expr: |
      windows:logical_disk_free:ratio{job="windows_exporter", volume!=""} * 100 < 10
      and predict_linear(windows_logical_disk_free_bytes{job="windows_exporter", volume!=""}[6h], 86400) < 0
    for: "1h"
    keep_firing_for: "5m"
    labels:
      severity: "warning"
- name: "windows-network"
  rules:
  - alert: "WindowsNetworkErrors"
    annotations:
      description: "Packet errors on interface {{ $labels.nic }} on {{ $labels.instance }} have exceeded 1% of all packets for 15 minutes."
      runbook_url: "https://prometheus-community.github.io/windows_exporter/runbooks/windowsnetworkerrors/"
      summary: "Windows network packet errors are high"
    expr: |
      (
        (windows:net_received_errors:rate{job="windows_exporter", nic!=""} + windows:net_outbound_errors:rate{job="windows_exporter", nic!=""})
        / ((windows:net_received_packets:rate{job="windows_exporter", nic!=""} + windows:net_sent_packets:rate{job="windows_exporter", nic!=""}) > 0)
      ) * 100 > 1
    for: "15m"
    keep_firing_for: "5m"
    labels:
      severity: "warning"
  - alert: "WindowsNetworkDiscards"
    annotations:
      description: "Packet discards on interface {{ $labels.nic }} on {{ $labels.instance }} have exceeded 1% of all packets for 15 minutes."
      runbook_url: "https://prometheus-community.github.io/windows_exporter/runbooks/windowsnetworkdiscards/"
      summary: "Windows network packet discards are high"
    expr: |
      (
        (windows:net_received_discarded:rate{job="windows_exporter", nic!=""} + windows:net_outbound_discarded:rate{job="windows_exporter", nic!=""})
        / ((windows:net_received_packets:rate{job="windows_exporter", nic!=""} + windows:net_sent_packets:rate{job="windows_exporter", nic!=""}) > 0)
      ) * 100 > 1
    for: "15m"
    keep_firing_for: "5m"
    labels:
      severity: "warning"
  - alert: "WindowsNetworkUtilizationHigh"
    annotations:
      description: "Traffic on interface {{ $labels.nic }} on {{ $labels.instance }} has exceeded 90% of its bandwidth in at least one direction for 15 minutes."
      runbook_url: "https://prometheus-community.github.io/windows_exporter/runbooks/windowsnetworkutilizationhigh/"
      summary: "Windows network interface utilization is high"
    expr: |
      (windows:net_received_utilization:ratio{job="windows_exporter", nic!=""} * 100 > 90)
      or (windows:net_sent_utilization:ratio{job="windows_exporter", nic!=""} * 100 > 90)
    for: "15m"
    keep_firing_for: "5m"
    labels:
      severity: "warning"
  - alert: "WindowsNetworkInterfaceFlapping"
    annotations:
      description: "Interface {{ $labels.nic }} on {{ $labels.instance }} has changed its operational status more than twice in 5m."
      runbook_url: "https://prometheus-community.github.io/windows_exporter/runbooks/windowsnetworkinterfaceflapping/"
      summary: "Windows network interface is flapping"
    expr: |
      max without (status) (changes(windows_net_nic_operation_status{job="windows_exporter", nic!="", status="up"}[5m])) > 2
    for: "2m"
    keep_firing_for: "5m"
    labels:
      severity: "warning"
- name: "windows-service"
  rules:
  - alert: "WindowsServiceNotRunning"
    annotations:
      description: "Service {{ $labels.service }} on {{ $labels.instance }} starts automatically but has not been running for 15 minutes."
      runbook_url: "https://prometheus-community.github.io/windows_exporter/runbooks/windowsservicenotrunning/"
      summary: "Windows automatic service is not running"
    expr: |
      max without (state) (windows_service_state{job="windows_exporter", service!="", state="running"} == 0)
      and ignoring (start_mode) (windows_service_start_mode{job="windows_exporter", service!="", start_mode="auto"} == 1)
      unless ignoring (display_name, run_as, path_name, delayed_start, trigger_start) (windows_service_info{job="windows_exporter", service!="", trigger_start="true"} == 1)
    for: "15m"
    labels:
      severity: "warning"
  - alert: "WindowsServiceCrashLooping"
    annotations:
      description: "Service {{ $labels.service }} on {{ $labels.instance }} has restarted more than 2 times in 15 minutes."
      runbook_url: "https://prometheus-community.github.io/windows_exporter/runbooks/windowsservicecrashlooping/"
      summary: "Windows service is restarting repeatedly"
    expr: |
      count without (process_id) (count_over_time(windows_service_process{job="windows_exporter", service!=""}[15m])) - 1 > 2
    keep_firing_for: "5m"
    labels:
      severity: "warning"
- name: "windows-system"
  rules:
  - alert: "WindowsHostRebooted"
    annotations:
      description: "{{ $labels.instance }} rebooted {{ $value | humanizeDuration }} ago."
      runbook_url: "https://prometheus-community.github.io/windows_exporter/runbooks/windowshostrebooted/"
      summary: "Windows host has rebooted"
    expr: |
      (time() - windows_system_boot_time_timestamp{job="windows_exporter"}) < 600
      and (time() - last_over_time(windows_system_boot_time_timestamp{job="windows_exporter"}[1h] offset 10m)) > 600
    labels:
      severity: "info"