diff --git a/discovery/roles/discovery_validations/tasks/main.yml b/discovery/roles/discovery_validations/tasks/main.yml
index 2a71f86f7b..890498ea78 100644
--- a/discovery/roles/discovery_validations/tasks/main.yml
+++ b/discovery/roles/discovery_validations/tasks/main.yml
@@ -20,6 +20,21 @@
     bmc_password: "{{ hostvars['localhost']['bmc_password'] }}"
   no_log: true
 
+- name: Load OIM metadata
+  ansible.builtin.set_fact:
+    oim_metadata: "{{ lookup('file', oim_metadata_file_path) | from_yaml }}"
+
+- name: Set upgrade_enabled flag from metadata
+  ansible.builtin.set_fact:
+    upgrade_enabled: false
+
+- name: Set upgrade_enabled flag from metadata
+  ansible.builtin.set_fact:
+    upgrade_enabled: true
+  when:
+    - oim_metadata.upgrade_backup_dir is defined
+    - oim_metadata.upgrade_backup_dir | length > 0
+
 - name: Include discovery inputs
   ansible.builtin.include_tasks: include_inputs.yml
   with_items: "{{ discovery_inputs }}"
diff --git a/discovery/roles/telemetry/tasks/apply_telemetry_on_upgrade.yml b/discovery/roles/telemetry/tasks/apply_telemetry_on_upgrade.yml
new file mode 100644
index 0000000000..d173d7e6f8
--- /dev/null
+++ b/discovery/roles/telemetry/tasks/apply_telemetry_on_upgrade.yml
@@ -0,0 +1,148 @@
+# Copyright 2026 Dell Inc. or its subsidiaries. All Rights Reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+---
+
+- name: Apply telemetry configurations for upgrade
+  when:
+    - kube_vip is defined
+    - kube_vip | length > 0
+    - hostvars['localhost']['idrac_telemetry_support'] | default(false) | bool
+  block:
+    - name: Check if telemetry deployment file exists
+      ansible.builtin.stat:
+        path: "{{ idrac_telemetry_statefulset_path }}"
+      register: telemetry_stat
+
+    - name: Apply iDRAC telemetry StatefulSet using kubectl
+      ansible.builtin.command:
+        cmd: "kubectl apply -f {{ idrac_telemetry_statefulset_path }}"
+      delegate_to: "{{ kube_vip }}"
+      register: kubectl_apply_result
+      changed_when: "'configured' in kubectl_apply_result.stdout or 'created' in kubectl_apply_result.stdout"
+      failed_when: false
+      when:
+        - telemetry_stat.stat.exists | default(false)
+
+    - name: Display kubectl apply result
+      ansible.builtin.debug:
+        msg: "{{ kubectl_apply_result.stdout_lines }}"
+      when:
+        - kubectl_apply_result is defined
+        - kubectl_apply_result.stdout_lines is defined
+
+    - name: Wait for idrac telemetry receiver to be ready
+      kubernetes.core.k8s_info:
+        api_version: v1
+        kind: Pod
+        namespace: "{{ telemetry_namespace }}"
+        label_selectors:
+          - "app=idrac-telemetry-receiver"
+        wait: true
+        wait_condition:
+          type: Ready
+          status: "True"
+        wait_timeout: 120
+      delegate_to: "{{ kube_vip }}"
+      register: idrac_telemetry_receiver_ready
+      failed_when: false
+      when:
+        - hostvars['localhost']['idrac_telemetry_support'] | default(false) | bool
+
+    - name: Display idrac telemetry receiver ready status
+      ansible.builtin.debug:
+        msg: "{{ idrac_telemetry_receiver_ready }}"
+      when:
+        - hostvars['localhost']['idrac_telemetry_support'] | default(false) | bool
+        - idrac_telemetry_receiver_ready is defined
+
+- name: Apply LDMS configurations for upgrade
+  when:
+    - kube_vip is defined
+    - kube_vip | length > 0
+    - hostvars['localhost']['ldms_support'] | default(false) | bool
+  block:
+    - name: Check if LDMS aggregator is running on service k8s cluster
+      kubernetes.core.k8s_info:
+        api_version: apps/v1
+        kind: StatefulSet
+        name: nersc-ldms-aggr
+        namespace: "{{ telemetry_namespace }}"
+      delegate_to: "{{ kube_vip }}"
+      register: ldms_statefulset_info
+      failed_when: false
+
+    - name: Set LDMS running state
+      ansible.builtin.set_fact:
+        ldms_running: "{{ ldms_statefulset_info.resources is defined and ldms_statefulset_info.resources | length > 0 }}"
+
+    - name: Check if decomp.json exists
+      ansible.builtin.stat:
+        path: "{{ hostvars['localhost']['k8s_client_share_path'] }}/telemetry/ldms/nersc-ldms-aggr/scripts/decomp.json"
+      register: decomp_json_stat
+
+    - name: Copy decompose.json if it doesn't exist
+      ansible.builtin.copy:
+        src: files/scripts/decomp.json
+        dest: "{{ hostvars['localhost']['k8s_client_share_path'] }}/telemetry/ldms/nersc-ldms-aggr/scripts/decomp.json"
+        mode: "{{ hostvars['localhost']['file_permissions_644'] }}"
+      when: not decomp_json_stat.stat.exists
+
+    - name: Restart LDMS aggregator StatefulSet
+      kubernetes.core.k8s:
+        state: present
+        definition:
+          apiVersion: apps/v1
+          kind: StatefulSet
+          metadata:
+            name: nersc-ldms-aggr
+            namespace: "{{ telemetry_namespace }}"
+          spec:
+            template:
+              metadata:
+                annotations:
+                  kubectl.kubernetes.io/restartedAt: "{{ ansible_date_time.iso8601 }}"
+      delegate_to: "{{ kube_vip }}"
+      failed_when: false
+      when:
+        - ldms_running | default(false) | bool
+        - ldms_conf_file.stat.exists | default(false)
+        - ldms_bin_file.stat.exists | default(false)
+
+    - name: Wait for LDMS aggregator pod to be ready after restart
+      kubernetes.core.k8s_info:
+        api_version: v1
+        kind: Pod
+        namespace: "{{ telemetry_namespace }}"
+        label_selectors:
+          - "app=nersc-ldms-aggr"
+        wait: true
+        wait_condition:
+          type: Ready
+          status: "True"
+        wait_timeout: 120
+      delegate_to: "{{ kube_vip }}"
+      register: ldms_pod_ready
+      failed_when: false
+      when:
+        - ldms_running | default(false) | bool
+        - ldms_conf_file.stat.exists | default(false)
+        - ldms_bin_file.stat.exists | default(false)
+
+    - name: Display LDMS aggregator restart status
+      ansible.builtin.debug:
+        msg: "{{ ldms_pod_ready_msg if (ldms_pod_ready.resources | default([]) | length > 0) else ldms_pod_not_ready_msg }}"
+      when:
+        - ldms_running | default(false) | bool
+        - ldms_conf_file.stat.exists | default(false)
+        - ldms_bin_file.stat.exists | default(false)
diff --git a/discovery/roles/telemetry/tasks/main.yml b/discovery/roles/telemetry/tasks/main.yml
index e4e3d1846a..2e9c3ac0da 100644
--- a/discovery/roles/telemetry/tasks/main.yml
+++ b/discovery/roles/telemetry/tasks/main.yml
@@ -65,3 +65,8 @@
   when:
     - hostvars['localhost']['ldms_support']
     - pxe_changed | default(false) | bool
+
+- name: Apply telemetry configurations on upgrade
+  ansible.builtin.include_tasks: apply_telemetry_on_upgrade.yml
+  when:
+    - hostvars['localhost']['upgrade_enabled'] | default(false) | bool
diff --git a/discovery/roles/telemetry/tasks/update_ldms_agg_config.yml b/discovery/roles/telemetry/tasks/update_ldms_agg_config.yml
index ee6c0c7d75..64a5d694ca 100644
--- a/discovery/roles/telemetry/tasks/update_ldms_agg_config.yml
+++ b/discovery/roles/telemetry/tasks/update_ldms_agg_config.yml
@@ -25,6 +25,12 @@
     mode: '0755'
   when: not values_file_exists.stat.exists
 
+- name: Copy ldms decompose.json
+  ansible.builtin.copy:
+    src: files/scripts/decomp.json
+    dest: "{{ hostvars['localhost']['k8s_client_share_path'] }}/telemetry/ldms/nersc-ldms-aggr/scripts/decomp.json"
+    mode: "{{ hostvars['localhost']['file_permissions_644'] }}"
+
 - name: Generate ldms_machine_config.json from template
   ansible.builtin.template:
     src: 'telemetry/ldms/ldms_machine_config.json.j2'
diff --git a/discovery/roles/telemetry/vars/main.yml b/discovery/roles/telemetry/vars/main.yml
index b757a752ae..af36a0b0d2 100644
--- a/discovery/roles/telemetry/vars/main.yml
+++ b/discovery/roles/telemetry/vars/main.yml
@@ -202,6 +202,8 @@ victoria_templates_common:
   - src: 'telemetry/victoria/victoria-agent-deployment.yaml.j2'
     dest: 'victoria-agent-deployment.yaml'
 
+idrac_telemetry_statefulset_path: "{{ hostvars['localhost']['k8s_client_share_path'] }}/telemetry/deployments/idrac_telemetry_statefulset.yaml"
+
 # Single-node templates (used when victoria_cluster.enabled: false)
 victoria_templates_single:
   - src: 'telemetry/victoria/victoria-statefulset.yaml.j2'