diff --git a/sdk/communication/azure-communication-chat/tests/_shared/testcase.py b/sdk/communication/azure-communication-chat/tests/_shared/testcase.py
index c35b897947c9..74b38b63a494 100644
--- a/sdk/communication/azure-communication-chat/tests/_shared/testcase.py
+++ b/sdk/communication/azure-communication-chat/tests/_shared/testcase.py
@@ -75,7 +75,7 @@ def setUp(self):
         if self.is_playback():
             self.connection_str = "endpoint=https://sanitized/;accesskey=fake==="
         else:
-            self.connection_str = os.getenv('AZURE_COMMUNICATION_SERVICE_CONNECTION_STRING')
+            self.connection_str = os.getenv('COMMUNICATION_CONNECTION_STRING')
             endpoint, _ = parse_connection_str(self.connection_str)
             self._resource_name = endpoint.split(".")[0]
             self.scrubber.register_name_pair(self._resource_name, "sanitized")
diff --git a/sdk/communication/azure-communication-identity/samples/identity_samples.py b/sdk/communication/azure-communication-identity/samples/identity_samples.py
index b659c932fcb2..9f32150bf0d2 100644
--- a/sdk/communication/azure-communication-identity/samples/identity_samples.py
+++ b/sdk/communication/azure-communication-identity/samples/identity_samples.py
@@ -25,7 +25,7 @@
 class CommunicationIdentityClientSamples(object):
 
     def __init__(self):
-        self.connection_string = os.getenv('AZURE_COMMUNICATION_SERVICE_CONNECTION_STRING')
+        self.connection_string = os.getenv('COMMUNICATION_CONNECTION_STRING')
         self.client_id = os.getenv('AZURE_CLIENT_ID')
         self.client_secret = os.getenv('AZURE_CLIENT_SECRET')
         self.tenant_id = os.getenv('AZURE_TENANT_ID')
diff --git a/sdk/communication/azure-communication-identity/samples/identity_samples_async.py b/sdk/communication/azure-communication-identity/samples/identity_samples_async.py
index 6e356f15d0c5..dd5abbb6e132 100644
--- a/sdk/communication/azure-communication-identity/samples/identity_samples_async.py
+++ b/sdk/communication/azure-communication-identity/samples/identity_samples_async.py
@@ -28,7 +28,7 @@
 class CommunicationIdentityClientSamples(object):
 
     def __init__(self):
-        self.connection_string = os.getenv('AZURE_COMMUNICATION_SERVICE_CONNECTION_STRING')
+        self.connection_string = os.getenv('COMMUNICATION_CONNECTION_STRING')
         self.endpoint = os.getenv('AZURE_COMMUNICATION_SERVICE_ENDPOINT')
         self.client_id = os.getenv('AZURE_CLIENT_ID')
         self.client_secret = os.getenv('AZURE_CLIENT_SECRET')
diff --git a/sdk/communication/test-resources.json b/sdk/communication/test-resources.json
index b8553cb82f5e..bb6f0c2173d3 100644
--- a/sdk/communication/test-resources.json
+++ b/sdk/communication/test-resources.json
@@ -81,4 +81,4 @@
             "value": "[listKeys(resourceId('Microsoft.Communication/CommunicationServices',variables('uniqueSubDomainName')), '2020-08-20-preview').primaryConnectionString]"
         }
     }
-}
\ No newline at end of file
+}