diff --git a/src/k8s-extension/azext_k8s_extension/partner_extensions/azuremonitormetrics/amw/create.py b/src/k8s-extension/azext_k8s_extension/partner_extensions/azuremonitormetrics/amw/create.py
index 03f904895ab..0a6d737d66b 100644
--- a/src/k8s-extension/azext_k8s_extension/partner_extensions/azuremonitormetrics/amw/create.py
+++ b/src/k8s-extension/azext_k8s_extension/partner_extensions/azuremonitormetrics/amw/create.py
@@ -13,7 +13,7 @@
 
 def create_default_mac(cmd, cluster_subscription, cluster_region):
     from azure.cli.core.util import send_raw_request
-    default_mac_name, default_mac_region = get_default_mac_name_and_region(cmd, cluster_region)
+    default_mac_name, default_mac_region = get_default_mac_name_and_region(cmd, cluster_region, cluster_subscription)
     default_resource_group_name = f"DefaultResourceGroup-{default_mac_region}"
     azure_monitor_workspace_resource_id = f"/subscriptions/{cluster_subscription}/resourceGroups/{default_resource_group_name}/providers/microsoft.monitor/accounts/{default_mac_name}"
     # Check if default resource group exists or not, if it does not then create it
diff --git a/src/k8s-extension/azext_k8s_extension/partner_extensions/azuremonitormetrics/amw/defaults.py b/src/k8s-extension/azext_k8s_extension/partner_extensions/azuremonitormetrics/amw/defaults.py
index 996eeafbcbf..fed9731eda1 100644
--- a/src/k8s-extension/azext_k8s_extension/partner_extensions/azuremonitormetrics/amw/defaults.py
+++ b/src/k8s-extension/azext_k8s_extension/partner_extensions/azuremonitormetrics/amw/defaults.py
@@ -11,20 +11,20 @@
 from knack.util import CLIError
 
 
-def get_supported_rp_locations(cmd, rp_name):
+def get_supported_rp_locations(cmd, rp_name, subscription):
     from azure.cli.core.util import send_raw_request
     supported_locations = []
     headers = ['User-Agent=arc-azuremonitormetrics.get_supported_rp_locations']
     armendpoint = cmd.cli_ctx.cloud.endpoints.resource_manager
-    association_url = f"{armendpoint}/providers/{rp_name}?api-version={RP_LOCATION_API}"
+    association_url = f"{armendpoint}/subscriptions/{subscription}/providers/{rp_name}?api-version={RP_LOCATION_API}"
     r = send_raw_request(cmd.cli_ctx, "GET", association_url, headers=headers)
     data = json.loads(r.text)
     supported_locations = parseResourceProviderResponseForLocations(data)
     return supported_locations
 
 
-def get_default_mac_region(cmd, cluster_region):
-    supported_locations = get_supported_rp_locations(cmd, 'Microsoft.Monitor')
+def get_default_mac_region(cmd, cluster_region, subscription):
+    supported_locations = get_supported_rp_locations(cmd, 'Microsoft.Monitor', subscription)
     if cluster_region in supported_locations:
         return cluster_region
     if len(supported_locations) > 0:
@@ -33,8 +33,8 @@ def get_default_mac_region(cmd, cluster_region):
     return get_default_region(cmd)
 
 
-def get_default_mac_name_and_region(cmd, cluster_region):
-    default_mac_region = get_default_mac_region(cmd, cluster_region)
+def get_default_mac_name_and_region(cmd, cluster_region, subscription):
+    default_mac_region = get_default_mac_region(cmd, cluster_region, subscription)
     default_mac_name = "DefaultAzureMonitorWorkspace-" + default_mac_region
     default_mac_name = default_mac_name[0:43]
     return default_mac_name, default_mac_region
diff --git a/src/k8s-extension/azext_k8s_extension/partner_extensions/azuremonitormetrics/dc/dce_api.py b/src/k8s-extension/azext_k8s_extension/partner_extensions/azuremonitormetrics/dc/dce_api.py
index 100cd6dffac..9f9f1a6f134 100644
--- a/src/k8s-extension/azext_k8s_extension/partner_extensions/azuremonitormetrics/dc/dce_api.py
+++ b/src/k8s-extension/azext_k8s_extension/partner_extensions/azuremonitormetrics/dc/dce_api.py
@@ -10,7 +10,7 @@
 
 def create_dce(cmd, cluster_subscription, cluster_resource_group_name, cluster_name, mac_region):
     from azure.cli.core.util import send_raw_request
-    dce_name = get_default_dce_name(cmd, mac_region, cluster_name)
+    dce_name = get_default_dce_name(mac_region, cluster_name)
     dce_resource_id = f"/subscriptions/{cluster_subscription}/resourceGroups/{cluster_resource_group_name}/providers/Microsoft.Insights/dataCollectionEndpoints/{dce_name}"
     try:
         armendpoint = cmd.cli_ctx.cloud.endpoints.resource_manager
diff --git a/src/k8s-extension/azext_k8s_extension/partner_extensions/azuremonitormetrics/dc/dcr_api.py b/src/k8s-extension/azext_k8s_extension/partner_extensions/azuremonitormetrics/dc/dcr_api.py
index 0363a99140f..dda1b2918e2 100644
--- a/src/k8s-extension/azext_k8s_extension/partner_extensions/azuremonitormetrics/dc/dcr_api.py
+++ b/src/k8s-extension/azext_k8s_extension/partner_extensions/azuremonitormetrics/dc/dcr_api.py
@@ -4,26 +4,16 @@
 # --------------------------------------------------------------------------------------------
 import json
 from knack.util import CLIError
-from ..constants import MapToClosestMACRegion
-from .defaults import get_default_region, sanitize_name
+from .defaults import get_default_dcr_name, sanitize_name
 from ..constants import (
-    DC_TYPE,
     DC_API
 )
 
 
-def get_default_dcr_name(cmd, mac_region, cluster_name):
-    region = get_default_region(cmd)
-    if dict.get(MapToClosestMACRegion, mac_region):
-        region = MapToClosestMACRegion[mac_region]
-    default_dcr_name = "MSProm-" + region + "-" + cluster_name
-    return sanitize_name(default_dcr_name, DC_TYPE.DCR, 64)
-
-
 # pylint: disable=too-many-locals,too-many-branches,too-many-statements,line-too-long
 def create_dcr(cmd, mac_region, azure_monitor_workspace_resource_id, cluster_subscription, cluster_resource_group_name, cluster_name, dce_resource_id):
     from azure.cli.core.util import send_raw_request
-    dcr_name = get_default_dcr_name(cmd, mac_region, cluster_name)
+    dcr_name = get_default_dcr_name(mac_region, cluster_name)
     dcr_resource_id = f"/subscriptions/{cluster_subscription}/resourceGroups/{cluster_resource_group_name}/providers/Microsoft.Insights/dataCollectionRules/{dcr_name}"
     dcr_creation_body = json.dumps({"location": mac_region,
                                     "kind": "Linux",
diff --git a/src/k8s-extension/azext_k8s_extension/partner_extensions/azuremonitormetrics/dc/dcra_api.py b/src/k8s-extension/azext_k8s_extension/partner_extensions/azuremonitormetrics/dc/dcra_api.py
index 66e4688cf33..d54701e79de 100644
--- a/src/k8s-extension/azext_k8s_extension/partner_extensions/azuremonitormetrics/dc/dcra_api.py
+++ b/src/k8s-extension/azext_k8s_extension/partner_extensions/azuremonitormetrics/dc/dcra_api.py
@@ -12,7 +12,7 @@
 def create_dcra(cmd, cluster_region, cluster_subscription, cluster_resource_group_name, cluster_name, dcr_resource_id):
     from azure.cli.core.util import send_raw_request
     cluster_resource_id = f"/subscriptions/{cluster_subscription}/resourceGroups/{cluster_resource_group_name}/providers/Microsoft.Kubernetes/connectedClusters/{cluster_name}"
-    dcra_name = get_default_dcra_name(cmd, cluster_region, cluster_name)
+    dcra_name = get_default_dcra_name()
     dcra_resource_id = f"/subscriptions/{cluster_subscription}/resourceGroups/{cluster_resource_group_name}/providers/Microsoft.Insights/dataCollectionRuleAssociations/{dcra_name}"
     description_str = "Promtheus data collection association between DCR, DCE and target AKS resource"
     # only create or delete the association between the DCR and cluster
diff --git a/src/k8s-extension/azext_k8s_extension/partner_extensions/azuremonitormetrics/dc/defaults.py b/src/k8s-extension/azext_k8s_extension/partner_extensions/azuremonitormetrics/dc/defaults.py
index 9acd2ae8e23..15d09b02999 100644
--- a/src/k8s-extension/azext_k8s_extension/partner_extensions/azuremonitormetrics/dc/defaults.py
+++ b/src/k8s-extension/azext_k8s_extension/partner_extensions/azuremonitormetrics/dc/defaults.py
@@ -2,10 +2,7 @@
 # Copyright (c) Microsoft Corporation. All rights reserved.
 # Licensed under the MIT License. See License.txt in the project root for license information.
 # --------------------------------------------------------------------------------------------
-from ..constants import (
-    DC_TYPE,
-    MapToClosestMACRegion
-)
+from ..constants import DC_TYPE
 from ..deaults import get_default_region
 
 
@@ -25,17 +22,15 @@ def sanitize_name(name, objtype, length):
     return name[0:lastIndexAlphaNumeric + 1]
 
 
-def get_default_dce_name(cmd, mac_region, cluster_name):
-    region = get_default_region(cmd)
-    if dict.get(MapToClosestMACRegion, mac_region):
-        region = MapToClosestMACRegion[mac_region]
-    default_dce_name = "MSProm-" + region + "-" + cluster_name
+def get_default_dcr_name(mac_region, cluster_name):
+    default_dcr_name = "MSProm-" + mac_region + "-" + cluster_name
+    return sanitize_name(default_dcr_name, DC_TYPE.DCR, 64)
+
+
+def get_default_dce_name(mac_region, cluster_name):
+    default_dce_name = "MSProm-" + mac_region + "-" + cluster_name
     return sanitize_name(default_dce_name, DC_TYPE.DCE, 44)
 
 
-def get_default_dcra_name(cmd, cluster_region, cluster_name):
-    region = get_default_region(cmd)
-    if dict.get(MapToClosestMACRegion, cluster_region):
-        region = MapToClosestMACRegion[cluster_region]
-    default_dcra_name = "ContainerInsightsMetricsExtension-" + region + "-" + cluster_name
-    return sanitize_name(default_dcra_name, DC_TYPE.DCRA, 64)
+def get_default_dcra_name():
+    return "ContainerInsightsMetricsExtension-Arc"