diff --git a/eng/pipelines/templates/jobs/ci.tests.yml b/eng/pipelines/templates/jobs/ci.tests.yml
index 81879063f..f3e0d6812 100644
--- a/eng/pipelines/templates/jobs/ci.tests.yml
+++ b/eng/pipelines/templates/jobs/ci.tests.yml
@@ -92,6 +92,8 @@ jobs:
         parameters:
           AgentImage: $(OsVmImage)
 
+      - template: /eng/pipelines/templates/steps/fix-1es-image-apt-azure-sources.yml
+
       - pwsh: sudo apt update && sudo apt install -y $(AptDependencies)
         condition: and(succeeded(), ne(variables['AptDependencies'], ''))
         displayName: Install dependencies from apt
diff --git a/eng/pipelines/templates/jobs/cmake-generate.tests.yml b/eng/pipelines/templates/jobs/cmake-generate.tests.yml
index d2be6f47e..f1b75fc59 100644
--- a/eng/pipelines/templates/jobs/cmake-generate.tests.yml
+++ b/eng/pipelines/templates/jobs/cmake-generate.tests.yml
@@ -64,6 +64,8 @@ jobs:
   - template: /eng/common/pipelines/templates/steps/verify-agent-os.yml
     parameters:
       AgentImage: $(OSVmImage)
+          
+  - template: /eng/pipelines/templates/steps/fix-1es-image-apt-azure-sources.yml
 
   - pwsh: sudo apt update && sudo apt install -y $(AptDependencies)
     condition: and(succeeded(), ne(variables['AptDependencies'], ''))
diff --git a/eng/pipelines/templates/jobs/live.tests.yml b/eng/pipelines/templates/jobs/live.tests.yml
index f856cda4d..0d1f2add9 100644
--- a/eng/pipelines/templates/jobs/live.tests.yml
+++ b/eng/pipelines/templates/jobs/live.tests.yml
@@ -78,8 +78,8 @@ jobs:
   - template: /eng/common/pipelines/templates/steps/verify-agent-os.yml
     parameters:
       AgentImage: $(OSVmImage)
-
-  - template: /eng/common/pipelines/templates/steps/bypass-local-dns.yml
+          
+  - template: /eng/pipelines/templates/steps/fix-1es-image-apt-azure-sources.yml
 
   # Add g++5 repo to ubuntu
   - bash: sudo sh -c "echo 'deb http://ftp.debian.org/debian/ stretch main' >> /etc/apt/sources.list"
diff --git a/eng/pipelines/templates/stages/platform-matrix-cmakegenerate.json b/eng/pipelines/templates/stages/platform-matrix-cmakegenerate.json
index 18597e831..02ae3c168 100644
--- a/eng/pipelines/templates/stages/platform-matrix-cmakegenerate.json
+++ b/eng/pipelines/templates/stages/platform-matrix-cmakegenerate.json
@@ -3,8 +3,8 @@
     "CmakeEnvArg": "",
     "OSConfig": {
       "Linux": {
-        "Pool": "azsdk-pool-mms-ubuntu-1804-general",
-        "OSVmImage": "MMSUbuntu18.04",
+        "Pool": "azsdk-pool-mms-ubuntu-2204-general",
+        "OSVmImage": "MMSUbuntu22.04",
         "AptDependencies": "libcurl4-openssl-dev",
         "VCPKG_DEFAULT_TRIPLET": "x64-linux"
       },
diff --git a/eng/pipelines/templates/stages/platform-matrix-cmakesourcegenerate.json b/eng/pipelines/templates/stages/platform-matrix-cmakesourcegenerate.json
index 716b1b459..8c7791a0c 100644
--- a/eng/pipelines/templates/stages/platform-matrix-cmakesourcegenerate.json
+++ b/eng/pipelines/templates/stages/platform-matrix-cmakesourcegenerate.json
@@ -7,8 +7,8 @@
         "CmakeEnvArg": ""
       },
       "Linux": {
-        "Pool": "azsdk-pool-mms-ubuntu-1804-general",
-        "OSVmImage": "MMSUbuntu18.04",
+        "Pool": "azsdk-pool-mms-ubuntu-2204-general",
+        "OSVmImage": "MMSUbuntu22.04",
         "CmakeEnvArg": "",
         "AptDependencies": "libcurl4-openssl-dev"
       },
diff --git a/eng/pipelines/templates/stages/platform-matrix-live.json b/eng/pipelines/templates/stages/platform-matrix-live.json
index 263df0a3c..c918f6975 100644
--- a/eng/pipelines/templates/stages/platform-matrix-live.json
+++ b/eng/pipelines/templates/stages/platform-matrix-live.json
@@ -21,19 +21,15 @@
     },
     {
       "StaticConfigs": {
-        "Ubu1804": {
+        "Ubu2204": {
           "VCPKG_DEFAULT_TRIPLET": "x64-linux",
           "BuildArgs": "-j 4",
-          "Pool": "azsdk-pool-mms-ubuntu-1804-general",
-          "OSVmImage": "MMSUbuntu18.04",
+          "Pool": "azsdk-pool-mms-ubuntu-2204-general",
+          "OSVmImage": "MMSUbuntu22.04",
           "RunProxyTests": true
         }
       },
       "BuildConfig": {
-        "x64_gcc5_with_unit_test": {
-          "CmakeEnvArg": "CC=/usr/bin/gcc-5 CXX=/usr/bin/g++-5 cmake",
-          "CmakeArgs": " -DBUILD_TESTING=ON -DRUN_LONG_UNIT_TESTS=ON"
-        },
         "x64_with_unit_test": {
           "CmakeArgs": " -DBUILD_TESTING=ON -DBUILD_PERFORMANCE_TESTS=ON -DRUN_LONG_UNIT_TESTS=ON -DCMAKE_BUILD_TYPE=Debug -DBUILD_CODE_COVERAGE=ON",
           "AptDependencies": "gcovr lcov",
diff --git a/eng/pipelines/templates/stages/platform-matrix.json b/eng/pipelines/templates/stages/platform-matrix.json
index 655101ee3..ca333afeb 100644
--- a/eng/pipelines/templates/stages/platform-matrix.json
+++ b/eng/pipelines/templates/stages/platform-matrix.json
@@ -135,24 +135,15 @@
     },
     {
       "StaticConfigs": {
-        "Ubuntu18": {
-          "OSVmImage": "MMSUbuntu18.04",
-          "Pool": "azsdk-pool-mms-ubuntu-1804-general",
+        "Ubuntu22": {
+          "OSVmImage": "MMSUbuntu22.04",
+          "Pool": "azsdk-pool-mms-ubuntu-2204-general",
           "VCPKG_DEFAULT_TRIPLET": "x64-linux",
           "BuildArgs": "-j 10",
           "RunProxyTests": true
         }
       },
       "BuildSettings": {
-        "gpp-5": {
-          "AptDependencies": "g++-5",
-          "CmakeEnvArg": "CC=/usr/bin/gcc-5 CXX=/usr/bin/g++-5 "
-        },
-        "gpp-8": {
-          "AptDependencies": "g++-8",
-          "CC": "/usr/bin/gcc-8",
-          "CXX": "/usr/bin/g++-8"
-        },
         "gpp-9": {
           "AptDependencies": "g++-9",
           "CC": "/usr/bin/gcc-9",
@@ -177,6 +168,24 @@
         }
       }
     },
+    {
+      "StaticConfigs": {
+        "Ubuntu20": {
+          "OSVmImage": "MMSUbuntu20.04",
+          "Pool": "azsdk-pool-mms-ubuntu-2004-general",
+          "VCPKG_DEFAULT_TRIPLET": "x64-linux",
+          "BuildArgs": "-j 10",
+          "RunProxyTests": true
+        }
+      },
+      "BuildSettings": {
+        "gpp-8": {
+          "AptDependencies": "g++-8",
+          "CC": "/usr/bin/gcc-8",
+          "CXX": "/usr/bin/g++-8"
+        }
+      }
+    },
     {
       "StaticConfigs": {
         "Ubuntu20": {
diff --git a/eng/pipelines/templates/steps/fix-1es-image-apt-azure-sources.yml b/eng/pipelines/templates/steps/fix-1es-image-apt-azure-sources.yml
new file mode 100644
index 000000000..39594b0a5
--- /dev/null
+++ b/eng/pipelines/templates/steps/fix-1es-image-apt-azure-sources.yml
@@ -0,0 +1,13 @@
+steps:
+  - pwsh: |
+      if ((lsb_release --release --short) -eq "22.04") {
+        Write-Host "Release is 22.04, modifying apt configuration"
+
+        Write-Host "sudo rm -f /etc/apt/sources.list.d/azure.list"
+        # Use -f to suppress error if file is not present
+        sudo rm -f /etc/apt/sources.list.d/azure.list
+      } else { 
+        Write-Host "Release does not need modification" 
+      }
+    displayName: Modify Linux configurations
+    condition: and(succeeded(), eq(variables['Agent.OS'], 'Linux'))
diff --git a/sdk/core/ci.yml b/sdk/core/ci.yml
index 35c40e34f..3d43da632 100644
--- a/sdk/core/ci.yml
+++ b/sdk/core/ci.yml
@@ -44,7 +44,7 @@ stages:
       CtestRegex: azure-core.|json-test
       LiveTestCtestRegex: azure-core.|json-test
       LiveTestTimeoutInMinutes: 90 # default is 60 min. We need a little longer on worst case for Win+jsonTests
-      LineCoverageTarget: 92
+      LineCoverageTarget: 91
       BranchCoverageTarget: 50
 #      PreTestSteps:
 #        - pwsh: |