diff --git a/fm-api/source/fm_api/constants.py b/fm-api/source/fm_api/constants.py
index a890215e..9f97d33a 100755
--- a/fm-api/source/fm_api/constants.py
+++ b/fm-api/source/fm_api/constants.py
@@ -428,6 +428,8 @@ FM_LOG_ID_SYSTEM_CONFIG_UPDATE_AUTO_APPLY_ABORT_REJECTED = ALARM_GROUP_SW_MGMT +
 FM_LOG_ID_SYSTEM_CONFIG_UPDATE_AUTO_APPLY_ABORT_FAILED = ALARM_GROUP_SW_MGMT + ".620"
 FM_LOG_ID_SYSTEM_CONFIG_UPDATE_AUTO_APPLY_ABORTED = ALARM_GROUP_SW_MGMT + ".621"
 
+FM_ALARM_ID_USM_NODE_TAINTED = ALARM_GROUP_SW_MGMT + ".701"
+
 FM_ALARM_STATE_SET = 'set'
 FM_ALARM_STATE_CLEAR = 'clear'
 FM_ALARM_STATE_MSG = 'msg'
diff --git a/fm-doc/fm_doc/events.yaml b/fm-doc/fm_doc/events.yaml
index 47e39cde..aac46d59 100755
--- a/fm-doc/fm_doc/events.yaml
+++ b/fm-doc/fm_doc/events.yaml
@@ -544,6 +544,7 @@
     Degrade_Affecting_Severity: critical
     Context: starlingx
 
+
 #---------------------------------------------------------------------------
 #   MAINTENANCE
 #---------------------------------------------------------------------------
@@ -4558,4 +4559,24 @@
     Probable_Cause: unspecified-reason
     Service_Affecting: False
     Context: starlingx
+
+900.701:
+    Type: Alarm
+    Description: Node <hostname> tainted.
+    Entity_Instance_ID: host=<hostname>
+    Severity: major
+    Proposed_Repair_Action: |-
+            "Execute 'kubectl taint nodes <hostname> services=disabled:NoExecute-'
+            If it fails, Execute 'system host-lock <hostname>' followed by
+            'system host-unlock <hostname>'.
+            If issue still persists, contact next level of support."
+    Maintenance_Action: none
+    Inhibit_Alarms:
+    Alarm_Type: operational-violation
+    Probable_Cause: unknown
+    Service_Affecting: True
+    Suppression: False
+    Management_Affecting_Severity: warning
+    Degrade_Affecting_Severity: major
+    Context: starlingx
 ...