diff --git a/.azure-pipelines/build-docker-sonic-vs-template.yml b/.azure-pipelines/build-docker-sonic-vs-template.yml
index 32ac65aa14..68a1cb9af3 100644
--- a/.azure-pipelines/build-docker-sonic-vs-template.yml
+++ b/.azure-pipelines/build-docker-sonic-vs-template.yml
@@ -69,7 +69,7 @@ jobs:
   timeoutInMinutes: ${{ parameters.timeout }}
 
   pool:
-    vmImage: 'ubuntu-20.04'
+    vmImage: 'ubuntu-24.04'
 
   steps:
   - task: DownloadPipelineArtifact@2
diff --git a/.azure-pipelines/build-template.yml b/.azure-pipelines/build-template.yml
index 3efa80dccc..e0bcf5076c 100644
--- a/.azure-pipelines/build-template.yml
+++ b/.azure-pipelines/build-template.yml
@@ -10,9 +10,9 @@ parameters:
 - name: pool
   type: string
   values:
-  - sonicbld-1es
-  - sonicbld-armhf
-  - sonicbld-arm64
+  - sonicso1ES-amd64
+  - sonicso1ES-armhf
+  - sonicso1ES-arm64
   - default
   default: default
 
@@ -88,7 +88,7 @@ jobs:
     ${{ if ne(parameters.pool, 'default') }}:
       name: ${{ parameters.pool }}
     ${{ else }}:
-      vmImage: 'ubuntu-20.04'
+      vmImage: 'ubuntu-24.04'
 
   container:
     image: sonicdev-microsoft.azurecr.io:443/${{ parameters.sonic_slave }}:latest
diff --git a/.azure-pipelines/gcov.yml b/.azure-pipelines/gcov.yml
index 2dc193c2e7..2b962ce815 100644
--- a/.azure-pipelines/gcov.yml
+++ b/.azure-pipelines/gcov.yml
@@ -8,7 +8,7 @@ parameters:
 - name: pool
   type: string
   values:
-  - sonicbld-1es
+  - sonicso1ES-amd64
   - default
   default: default
 
@@ -44,7 +44,7 @@ jobs:
     ${{ if ne(parameters.pool, 'default') }}:
       name: ${{ parameters.pool }}
     ${{ if eq(parameters.pool, 'default') }}:
-      vmImage: 'ubuntu-20.04'
+      vmImage: 'ubuntu-24.04'
 
   variables:
     DIFF_COVER_CHECK_THRESHOLD: 80
diff --git a/.azure-pipelines/test-docker-sonic-vs-template.yml b/.azure-pipelines/test-docker-sonic-vs-template.yml
index a3c694bb3f..05c947a7f1 100644
--- a/.azure-pipelines/test-docker-sonic-vs-template.yml
+++ b/.azure-pipelines/test-docker-sonic-vs-template.yml
@@ -71,12 +71,12 @@ jobs:
     inputs:
       source: specific
       project: build
-      pipeline: sonic-net.sonic-buildimage-ubuntu20.04
+      pipeline: sonic-net.sonic-buildimage-ubuntu22.04
       artifact: sonic-buildimage.amd64.ubuntu20_04
       runVersion: 'latestFromBranch'
       runBranch: 'refs/heads/${{ parameters.sonic_buildimage_ubuntu20_04 }}'
       path: $(Build.ArtifactStagingDirectory)/download
-    displayName: "Download sonic buildimage ubuntu20.04 deb packages"
+    displayName: "Download sonic buildimage ubuntu22.04 deb packages"
 
   - script: |
       set -ex
diff --git a/.github/workflows/codeql-analysis.yml b/.github/workflows/codeql-analysis.yml
index 3c1596eef9..33b457eea6 100644
--- a/.github/workflows/codeql-analysis.yml
+++ b/.github/workflows/codeql-analysis.yml
@@ -16,7 +16,7 @@ on:
 jobs:
   analyze:
     name: Analyze
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-24.04
     permissions:
       actions: read
       contents: read
diff --git a/azure-pipelines.yml b/azure-pipelines.yml
index 362a106225..1a19bd3758 100644
--- a/azure-pipelines.yml
+++ b/azure-pipelines.yml
@@ -70,7 +70,7 @@ stages:
     parameters:
       arch: armhf
       timeout: 240
-      pool: sonicbld-armhf
+      pool: sonicso1ES-armhf
       sonic_slave: sonic-slave-bullseye-armhf
       common_lib_artifact_name: common-lib.armhf
       swss_common_artifact_name: sonic-swss-common.armhf
@@ -82,7 +82,7 @@ stages:
     parameters:
       arch: arm64
       timeout: 240
-      pool: sonicbld-arm64
+      pool: sonicso1ES-arm64
       sonic_slave: sonic-slave-bullseye-arm64
       common_lib_artifact_name: common-lib.arm64
       swss_common_artifact_name: sonic-swss-common.arm64