diff --git a/build/linux/installer/conf/container.conf b/build/linux/installer/conf/container.conf
index f7e6e1da9..958a85eb6 100644
--- a/build/linux/installer/conf/container.conf
+++ b/build/linux/installer/conf/container.conf
@@ -45,14 +45,12 @@
 #custom_metrics_mdm filter plugin
 <filter mdm.cadvisorperf**>
   type filter_cadvisor2mdm
-  custom_metrics_azure_regions eastus,southcentralus,westcentralus,westus2,southeastasia,northeurope,westeurope,southafricanorth,centralus,northcentralus,eastus2,koreacentral,eastasia,centralindia,uksouth,canadacentral,francecentral,japaneast,australiaeast,eastus2,westus,australiasoutheast,brazilsouth,germanywestcentral,northcentralus,switzerlandnorth
   metrics_to_collect cpuUsageNanoCores,memoryWorkingSetBytes,memoryRssBytes,pvUsedBytes
   log_level info
 </filter>
 
 <filter oms.mdm.container.perf.telegraf**>
   type filter_telegraf2mdm
-  custom_metrics_azure_regions eastus,southcentralus,westcentralus,westus2,southeastasia,northeurope,westeurope,southafricanorth,centralus,northcentralus,eastus2,koreacentral,eastasia,centralindia,uksouth,canadacentral,francecentral,japaneast,australiaeast,eastus2,westus,australiasoutheast,brazilsouth,germanywestcentral,northcentralus,switzerlandnorth
   log_level debug
 </filter>
 
diff --git a/build/linux/installer/conf/kube.conf b/build/linux/installer/conf/kube.conf
index dbb4db0da..121472eba 100644
--- a/build/linux/installer/conf/kube.conf
+++ b/build/linux/installer/conf/kube.conf
@@ -13,7 +13,6 @@
      tag oms.containerinsights.KubePodInventory
      run_interval 60
      log_level debug
-     custom_metrics_azure_regions eastus,southcentralus,westcentralus,westus2,southeastasia,northeurope,westeurope,southafricanorth,centralus,northcentralus,eastus2,koreacentral,eastasia,centralindia,uksouth,canadacentral,francecentral,japaneast,australiaeast,eastus2,westus,australiasoutheast,brazilsouth,germanywestcentral,northcentralus,switzerlandnorth
     </source>
 
     #Kubernetes events
@@ -66,14 +65,12 @@
 
     <filter mdm.kubenodeinventory**>
      type filter_inventory2mdm
-     custom_metrics_azure_regions eastus,southcentralus,westcentralus,westus2,southeastasia,northeurope,westeurope,southafricanorth,centralus,northcentralus,eastus2,koreacentral,eastasia,centralindia,uksouth,canadacentral,francecentral,japaneast,australiaeast,eastus2,westus,australiasoutheast,brazilsouth,germanywestcentral,northcentralus,switzerlandnorth
      log_level info
     </filter>
 
     #custom_metrics_mdm filter plugin for perf data from windows nodes
     <filter mdm.cadvisorperf**>
      type filter_cadvisor2mdm
-     custom_metrics_azure_regions eastus,southcentralus,westcentralus,westus2,southeastasia,northeurope,westeurope,southafricanorth,centralus,northcentralus,eastus2,koreacentral,eastasia,centralindia,uksouth,canadacentral,francecentral,japaneast,australiaeast,eastus2,westus,australiasoutheast,brazilsouth,germanywestcentral,northcentralus,switzerlandnorth
      metrics_to_collect cpuUsageNanoCores,memoryWorkingSetBytes,pvUsedBytes
      log_level info
     </filter>
diff --git a/charts/azuremonitor-containers/templates/omsagent-rs-configmap.yaml b/charts/azuremonitor-containers/templates/omsagent-rs-configmap.yaml
index 475b17a46..e1bc969cb 100644
--- a/charts/azuremonitor-containers/templates/omsagent-rs-configmap.yaml
+++ b/charts/azuremonitor-containers/templates/omsagent-rs-configmap.yaml
@@ -18,7 +18,6 @@ data:
       tag oms.containerinsights.KubePodInventory
       run_interval 60
       log_level debug
-      custom_metrics_azure_regions eastus,southcentralus,westcentralus,westus2,southeastasia,northeurope,westeurope,southafricanorth,centralus,northcentralus,eastus2,koreacentral,eastasia,centralindia,uksouth,canadacentral,francecentral,japaneast,australiaeast,eastus2,westus,australiasoutheast,brazilsouth,germanywestcentral,northcentralus,switzerlandnorth
      </source>
 
      #Kubernetes events
@@ -70,14 +69,12 @@ data:
      </source>
      <filter mdm.kubenodeinventory**>
       type filter_inventory2mdm
-      custom_metrics_azure_regions eastus,southcentralus,westcentralus,westus2,southeastasia,northeurope,westeurope,southafricanorth,centralus,northcentralus,eastus2,koreacentral,eastasia,centralindia,uksouth,canadacentral,francecentral,japaneast,australiaeast,eastus2,westus,australiasoutheast,brazilsouth,germanywestcentral,northcentralus,switzerlandnorth
       log_level info
      </filter>
 
      # custom_metrics_mdm filter plugin for perf data from windows nodes
      <filter mdm.cadvisorperf**>
       type filter_cadvisor2mdm
-      custom_metrics_azure_regions eastus,southcentralus,westcentralus,westus2,southeastasia,northeurope,westeurope,southafricanorth,centralus,northcentralus,eastus2,koreacentral,eastasia,centralindia,uksouth,canadacentral,francecentral,japaneast,australiaeast,eastus2,westus,australiasoutheast,brazilsouth,germanywestcentral,northcentralus,switzerlandnorth
       metrics_to_collect cpuUsageNanoCores,memoryWorkingSetBytes
       log_level info
      </filter>
diff --git a/kubernetes/linux/main.sh b/kubernetes/linux/main.sh
index b093eb74b..a2ba6a1d1 100644
--- a/kubernetes/linux/main.sh
+++ b/kubernetes/linux/main.sh
@@ -150,6 +150,17 @@ else
       echo "LA Onboarding:Workspace Id not mounted, skipping the telemetry check"
 fi
 
+# Set environment variable for if public cloud by checking the workspace domain.
+if [ -z $domain ]; then
+  ClOUD_ENVIRONMENT="unknown"
+elif [ $domain == "opinsights.azure.com" ]; then
+  CLOUD_ENVIRONMENT="public"
+else
+  CLOUD_ENVIRONMENT="national"
+fi
+export CLOUD_ENVIRONMENT=$CLOUD_ENVIRONMENT
+echo "export CLOUD_ENVIRONMENT=$CLOUD_ENVIRONMENT" >> ~/.bashrc
+
 #Parse the configmap to set the right environment variables.
 /opt/microsoft/omsagent/ruby/bin/ruby tomlparser.rb
 
diff --git a/kubernetes/omsagent.yaml b/kubernetes/omsagent.yaml
index 7d07eafcd..2155361e9 100644
--- a/kubernetes/omsagent.yaml
+++ b/kubernetes/omsagent.yaml
@@ -64,7 +64,6 @@ data:
       tag oms.containerinsights.KubePodInventory
       run_interval 60
       log_level debug
-      custom_metrics_azure_regions eastus,southcentralus,westcentralus,westus2,southeastasia,northeurope,westeurope,southafricanorth,centralus,northcentralus,eastus2,koreacentral,eastasia,centralindia,uksouth,canadacentral,francecentral,japaneast,australiaeast,eastus2,westus,australiasoutheast,brazilsouth,germanywestcentral,northcentralus,switzerlandnorth
      </source>
 
      #Kubernetes events
@@ -117,14 +116,12 @@ data:
 
      <filter mdm.kubenodeinventory**>
       type filter_inventory2mdm
-      custom_metrics_azure_regions eastus,southcentralus,westcentralus,westus2,southeastasia,northeurope,westeurope,southafricanorth,centralus,northcentralus,eastus2,koreacentral,eastasia,centralindia,uksouth,canadacentral,francecentral,japaneast,australiaeast,eastus2,westus,australiasoutheast,brazilsouth,germanywestcentral,northcentralus,switzerlandnorth
       log_level info
      </filter>
 
      #custom_metrics_mdm filter plugin for perf data from windows nodes
      <filter mdm.cadvisorperf**>
       type filter_cadvisor2mdm
-      custom_metrics_azure_regions eastus,southcentralus,westcentralus,westus2,southeastasia,northeurope,westeurope,southafricanorth,centralus,northcentralus,eastus2,koreacentral,eastasia,centralindia,uksouth,canadacentral,francecentral,japaneast,australiaeast,eastus2,westus,australiasoutheast,brazilsouth,germanywestcentral,northcentralus,switzerlandnorth
       metrics_to_collect cpuUsageNanoCores,memoryWorkingSetBytes,pvUsedBytes
       log_level info
      </filter>
diff --git a/kubernetes/windows/main.ps1 b/kubernetes/windows/main.ps1
index 2e8659601..d32e5068a 100644
--- a/kubernetes/windows/main.ps1
+++ b/kubernetes/windows/main.ps1
@@ -43,15 +43,21 @@ function Start-FileSystemWatcher {
 
 function Set-EnvironmentVariables {
     $domain = "opinsights.azure.com"
+    $cloud_environment = "public"
     if (Test-Path /etc/omsagent-secret/DOMAIN) {
         # TODO: Change to omsagent-secret before merging
         $domain = Get-Content /etc/omsagent-secret/DOMAIN
+        $cloud_environment = "national"
     }
 
     # Set DOMAIN
     [System.Environment]::SetEnvironmentVariable("DOMAIN", $domain, "Process")
     [System.Environment]::SetEnvironmentVariable("DOMAIN", $domain, "Machine")
 
+    # Set CLOUD_ENVIRONMENT
+    [System.Environment]::SetEnvironmentVariable("CLOUD_ENVIRONMENT", $cloud_environment, "Process")
+    [System.Environment]::SetEnvironmentVariable("CLOUD_ENVIRONMENT", $cloud_environment, "Machine")
+
     $wsID = ""
     if (Test-Path /etc/omsagent-secret/WSID) {
         # TODO: Change to omsagent-secret before merging
diff --git a/scripts/preview/health/omsagent-template-aks-engine.yaml b/scripts/preview/health/omsagent-template-aks-engine.yaml
index 5526602c0..5e063fd54 100644
--- a/scripts/preview/health/omsagent-template-aks-engine.yaml
+++ b/scripts/preview/health/omsagent-template-aks-engine.yaml
@@ -108,14 +108,12 @@ data:
 
     <filter mdm.kubepodinventory** mdm.kubenodeinventory**>
      type filter_inventory2mdm
-     custom_metrics_azure_regions eastus,southcentralus,westcentralus,westus2,southeastasia,northeurope,westEurope
      log_level info
     </filter>
 
     # custom_metrics_mdm filter plugin for perf data from windows nodes
     <filter mdm.cadvisorperf**>
      type filter_cadvisor2mdm
-     custom_metrics_azure_regions eastus,southcentralus,westcentralus,westus2,southeastasia,northeurope,westEurope
      metrics_to_collect cpuUsageNanoCores,memoryWorkingSetBytes
      log_level info
     </filter>
diff --git a/scripts/preview/health/omsagent-template.yaml b/scripts/preview/health/omsagent-template.yaml
index 6e3a52020..e58e9c33f 100644
--- a/scripts/preview/health/omsagent-template.yaml
+++ b/scripts/preview/health/omsagent-template.yaml
@@ -108,14 +108,12 @@ data:
 
      <filter mdm.kubepodinventory** mdm.kubenodeinventory**>
       type filter_inventory2mdm
-      custom_metrics_azure_regions eastus,southcentralus,westcentralus,westus2,southeastasia,northeurope,westEurope
       log_level info
      </filter>
 
      # custom_metrics_mdm filter plugin for perf data from windows nodes
      <filter mdm.cadvisorperf**>
       type filter_cadvisor2mdm
-      custom_metrics_azure_regions eastus,southcentralus,westcentralus,westus2,southeastasia,northeurope,westEurope
       metrics_to_collect cpuUsageNanoCores,memoryWorkingSetBytes
       log_level info
      </filter>
diff --git a/source/plugins/ruby/CustomMetricsUtils.rb b/source/plugins/ruby/CustomMetricsUtils.rb
index a19580630..220313e6b 100644
--- a/source/plugins/ruby/CustomMetricsUtils.rb
+++ b/source/plugins/ruby/CustomMetricsUtils.rb
@@ -6,21 +6,15 @@ def initialize
     end
 
     class << self
-        def check_custom_metrics_availability(custom_metric_regions)
+        def check_custom_metrics_availability
             aks_region = ENV['AKS_REGION']
             aks_resource_id = ENV['AKS_RESOURCE_ID']
+            aks_cloud_environment = ENV['CLOUD_ENVIRONMENT']
             if aks_region.to_s.empty? || aks_resource_id.to_s.empty?
                 return false # This will also take care of AKS-Engine Scenario. AKS_REGION/AKS_RESOURCE_ID is not set for AKS-Engine. Only ACS_RESOURCE_NAME is set
             end
             
-            custom_metrics_regions_arr = custom_metric_regions.split(',')
-            custom_metrics_regions_hash = custom_metrics_regions_arr.map {|x| [x.downcase,true]}.to_h
-
-            if custom_metrics_regions_hash.key?(aks_region.downcase)
-                true
-            else 
-                false
-            end
+            return aks_cloud_environment.to_s.downcase == 'public'
         end
     end
 end
\ No newline at end of file
diff --git a/source/plugins/ruby/filter_cadvisor2mdm.rb b/source/plugins/ruby/filter_cadvisor2mdm.rb
index 3bc674ea8..2423ad024 100644
--- a/source/plugins/ruby/filter_cadvisor2mdm.rb
+++ b/source/plugins/ruby/filter_cadvisor2mdm.rb
@@ -15,7 +15,6 @@ class CAdvisor2MdmFilter < Filter
 
     config_param :enable_log, :integer, :default => 0
     config_param :log_path, :string, :default => "/var/opt/microsoft/docker-cimprov/log/filter_cadvisor2mdm.log"
-    config_param :custom_metrics_azure_regions, :string
     config_param :metrics_to_collect, :string, :default => "Constants::CPU_USAGE_NANO_CORES,Constants::MEMORY_WORKING_SET_BYTES,Constants::MEMORY_RSS_BYTES,Constants::PV_USED_BYTES"
 
     @@hostName = (OMS::Common.get_hostname)
@@ -42,7 +41,7 @@ def configure(conf)
     def start
       super
       begin
-        @process_incoming_stream = CustomMetricsUtils.check_custom_metrics_availability(@custom_metrics_azure_regions)
+        @process_incoming_stream = CustomMetricsUtils.check_custom_metrics_availability
         @metrics_to_collect_hash = build_metrics_hash
         @log.debug "After check_custom_metrics_availability process_incoming_stream #{@process_incoming_stream}"
         @@containerResourceUtilTelemetryTimeTracker = DateTime.now.to_time.to_i
diff --git a/source/plugins/ruby/filter_inventory2mdm.rb b/source/plugins/ruby/filter_inventory2mdm.rb
index b5ef587ff..38ccab885 100644
--- a/source/plugins/ruby/filter_inventory2mdm.rb
+++ b/source/plugins/ruby/filter_inventory2mdm.rb
@@ -13,7 +13,6 @@ class Inventory2MdmFilter < Filter
 
 		config_param :enable_log, :integer, :default => 0
         config_param :log_path, :string, :default => '/var/opt/microsoft/docker-cimprov/log/filter_inventory2mdm.log'
-        config_param :custom_metrics_azure_regions, :string
 
         @@node_count_metric_name = 'nodesCount'
         @@pod_count_metric_name = 'podCount'
@@ -98,7 +97,7 @@ def configure(conf)
 
         def start
             super
-            @process_incoming_stream = CustomMetricsUtils.check_custom_metrics_availability(@custom_metrics_azure_regions)
+            @process_incoming_stream = CustomMetricsUtils.check_custom_metrics_availability
             @log.debug "After check_custom_metrics_availability process_incoming_stream #{@process_incoming_stream}"
         end
 
diff --git a/source/plugins/ruby/filter_telegraf2mdm.rb b/source/plugins/ruby/filter_telegraf2mdm.rb
index 98d258ea5..88ae428d1 100644
--- a/source/plugins/ruby/filter_telegraf2mdm.rb
+++ b/source/plugins/ruby/filter_telegraf2mdm.rb
@@ -15,7 +15,6 @@ class Telegraf2MdmFilter < Filter
 
     config_param :enable_log, :integer, :default => 0
     config_param :log_path, :string, :default => "/var/opt/microsoft/docker-cimprov/log/filter_telegraf2mdm.log"
-    config_param :custom_metrics_azure_regions, :string
 
     @process_incoming_stream = true
 
@@ -36,7 +35,7 @@ def configure(conf)
     def start
       super
       begin
-        @process_incoming_stream = CustomMetricsUtils.check_custom_metrics_availability(@custom_metrics_azure_regions)
+        @process_incoming_stream = CustomMetricsUtils.check_custom_metrics_availability
         @log.debug "After check_custom_metrics_availability process_incoming_stream #{@process_incoming_stream}"
       rescue => errorStr
         @log.info "Error initializing plugin #{errorStr}"
diff --git a/source/plugins/ruby/in_kube_podinventory.rb b/source/plugins/ruby/in_kube_podinventory.rb
index 4880d80e7..bba3e920f 100644
--- a/source/plugins/ruby/in_kube_podinventory.rb
+++ b/source/plugins/ruby/in_kube_podinventory.rb
@@ -36,11 +36,10 @@ def initialize
 
     config_param :run_interval, :time, :default => 60
     config_param :tag, :string, :default => "oms.containerinsights.KubePodInventory"
-    config_param :custom_metrics_azure_regions, :string
 
     def configure(conf)
       super
-      @inventoryToMdmConvertor = Inventory2MdmConvertor.new(@custom_metrics_azure_regions)
+      @inventoryToMdmConvertor = Inventory2MdmConvertor.new()
     end
 
     def start
diff --git a/source/plugins/ruby/podinventory_to_mdm.rb b/source/plugins/ruby/podinventory_to_mdm.rb
index 834515969..77370e284 100644
--- a/source/plugins/ruby/podinventory_to_mdm.rb
+++ b/source/plugins/ruby/podinventory_to_mdm.rb
@@ -80,14 +80,14 @@ class Inventory2MdmConvertor
   @@pod_phase_values = ["Running", "Pending", "Succeeded", "Failed", "Unknown"]
   @process_incoming_stream = false
 
-  def initialize(custom_metrics_azure_regions)
+  def initialize()
     @log_path = "/var/opt/microsoft/docker-cimprov/log/mdm_metrics_generator.log"
     @log = Logger.new(@log_path, 1, 5000000)
     @pod_count_hash = {}
     @no_phase_dim_values_hash = {}
     @pod_count_by_phase = {}
     @pod_uids = {}
-    @process_incoming_stream = CustomMetricsUtils.check_custom_metrics_availability(custom_metrics_azure_regions)
+    @process_incoming_stream = CustomMetricsUtils.check_custom_metrics_availability
     @log.debug "After check_custom_metrics_availability process_incoming_stream #{@process_incoming_stream}"
     @log.debug { "Starting podinventory_to_mdm plugin" }
   end