diff --git a/sdk/storage/azure-storage-blob/azure/storage/blob/_shared/authentication.py b/sdk/storage/azure-storage-blob/azure/storage/blob/_shared/authentication.py
index b11dc5757808..d04c1e4fb539 100644
--- a/sdk/storage/azure-storage-blob/azure/storage/blob/_shared/authentication.py
+++ b/sdk/storage/azure-storage-blob/azure/storage/blob/_shared/authentication.py
@@ -79,7 +79,9 @@ def _get_canonicalized_resource(self, request):
         uri_path = urlparse(request.http_request.url).path
         try:
             if isinstance(request.context.transport, AioHttpTransport) or \
-                    isinstance(getattr(request.context.transport, "_transport", None), AioHttpTransport):
+                    isinstance(getattr(request.context.transport, "_transport", None), AioHttpTransport) or \
+                    isinstance(getattr(getattr(request.context.transport, "_transport", None), "_transport", None),
+                               AioHttpTransport):
                 uri_path = URL(uri_path)
                 return '/' + self.account_name + str(uri_path)
         except TypeError:
diff --git a/sdk/storage/azure-storage-blob/tests/recordings/test_common_blob_async.test_create_blob_with_equal_sign.yaml b/sdk/storage/azure-storage-blob/tests/recordings/test_common_blob_async.test_create_blob_with_equal_sign.yaml
new file mode 100644
index 000000000000..67ecf96393b5
--- /dev/null
+++ b/sdk/storage/azure-storage-blob/tests/recordings/test_common_blob_async.test_create_blob_with_equal_sign.yaml
@@ -0,0 +1,104 @@
+interactions:
+- request:
+    body: null
+    headers:
+      User-Agent:
+      - azsdk-python-storage-blob/12.4.0b1 Python/3.7.3 (Windows-10-10.0.19041-SP0)
+      x-ms-date:
+      - Thu, 27 Aug 2020 01:48:41 GMT
+      x-ms-version:
+      - '2019-12-12'
+    method: PUT
+    uri: https://storagename.blob.core.windows.net/utcontainer775c1685?timeout=5&restype=container
+  response:
+    body:
+      string: ''
+    headers:
+      content-length: '0'
+      date: Thu, 27 Aug 2020 01:48:40 GMT
+      etag: '"0x8D84A2B5357BF80"'
+      last-modified: Thu, 27 Aug 2020 01:48:41 GMT
+      server: Windows-Azure-Blob/1.0 Microsoft-HTTPAPI/2.0
+      x-ms-version: '2019-12-12'
+    status:
+      code: 201
+      message: Created
+    url: https://emilyeuap.blob.core.windows.net/utcontainer775c1685?timeout=5&restype=container
+- request:
+    body: ???
+    headers:
+      Content-Length:
+      - '3'
+      Content-Type:
+      - application/octet-stream
+      If-None-Match:
+      - '*'
+      User-Agent:
+      - azsdk-python-storage-blob/12.4.0b1 Python/3.7.3 (Windows-10-10.0.19041-SP0)
+      x-ms-blob-type:
+      - BlockBlob
+      x-ms-date:
+      - Thu, 27 Aug 2020 01:48:41 GMT
+      x-ms-version:
+      - '2019-12-12'
+    method: PUT
+    uri: https://storagename.blob.core.windows.net/utcontainer775c1685/=ques=tion!
+  response:
+    body:
+      string: ''
+    headers:
+      content-length: '0'
+      content-md5: DRsIw0hYkhvHxmKyKKy3ug==
+      date: Thu, 27 Aug 2020 01:48:40 GMT
+      etag: '"0x8D84A2B536556A6"'
+      last-modified: Thu, 27 Aug 2020 01:48:41 GMT
+      server: Windows-Azure-Blob/1.0 Microsoft-HTTPAPI/2.0
+      x-ms-content-crc64: VtoDJyOMw/A=
+      x-ms-request-server-encrypted: 'true'
+      x-ms-version: '2019-12-12'
+      x-ms-version-id: '2020-08-27T01:48:41.6124582Z'
+    status:
+      code: 201
+      message: Created
+    url: https://emilyeuap.blob.core.windows.net/utcontainer775c1685/=ques=tion!
+- request:
+    body: null
+    headers:
+      Accept:
+      - application/xml
+      User-Agent:
+      - azsdk-python-storage-blob/12.4.0b1 Python/3.7.3 (Windows-10-10.0.19041-SP0)
+      x-ms-date:
+      - Thu, 27 Aug 2020 01:48:41 GMT
+      x-ms-range:
+      - bytes=0-33554431
+      x-ms-version:
+      - '2019-12-12'
+    method: GET
+    uri: https://storagename.blob.core.windows.net/utcontainer775c1685/=ques=tion!
+  response:
+    body:
+      string: ???
+    headers:
+      accept-ranges: bytes
+      content-length: '3'
+      content-range: bytes 0-2/3
+      content-type: application/octet-stream
+      date: Thu, 27 Aug 2020 01:48:41 GMT
+      etag: '"0x8D84A2B536556A6"'
+      last-modified: Thu, 27 Aug 2020 01:48:41 GMT
+      server: Windows-Azure-Blob/1.0 Microsoft-HTTPAPI/2.0
+      x-ms-blob-content-md5: DRsIw0hYkhvHxmKyKKy3ug==
+      x-ms-blob-type: BlockBlob
+      x-ms-creation-time: Thu, 27 Aug 2020 01:48:41 GMT
+      x-ms-is-current-version: 'true'
+      x-ms-lease-state: available
+      x-ms-lease-status: unlocked
+      x-ms-server-encrypted: 'true'
+      x-ms-version: '2019-12-12'
+      x-ms-version-id: '2020-08-27T01:48:41.6124582Z'
+    status:
+      code: 206
+      message: Partial Content
+    url: https://emilyeuap.blob.core.windows.net/utcontainer775c1685/=ques=tion!
+version: 1
diff --git a/sdk/storage/azure-storage-blob/tests/test_common_blob_async.py b/sdk/storage/azure-storage-blob/tests/test_common_blob_async.py
index c99a9a9fc152..b2a7bc6235d8 100644
--- a/sdk/storage/azure-storage-blob/tests/test_common_blob_async.py
+++ b/sdk/storage/azure-storage-blob/tests/test_common_blob_async.py
@@ -272,6 +272,24 @@ async def test_create_blob_with_question_mark(self, resource_group, location, st
         content = data.decode('utf-8')
         self.assertEqual(content, blob_data)
 
+    @GlobalStorageAccountPreparer()
+    @AsyncStorageTestCase.await_prepared_test
+    async def test_create_blob_with_equal_sign(self, resource_group, location, storage_account, storage_account_key):
+        # Arrange
+        await self._setup(storage_account, storage_account_key)
+        blob_name = '=ques=tion!'
+        blob_data = u'???'
+
+        # Act
+        blob = self.bsc.get_blob_client(self.container_name, blob_name)
+        await blob.upload_blob(blob_data)
+
+        # Assert
+        stream = await blob.download_blob()
+        data = await stream.readall()
+        self.assertIsNotNone(data)
+        content = data.decode('utf-8')
+        self.assertEqual(content, blob_data)
 
     @GlobalStorageAccountPreparer()
     @AsyncStorageTestCase.await_prepared_test
diff --git a/sdk/storage/azure-storage-file-datalake/azure/storage/filedatalake/_shared/authentication.py b/sdk/storage/azure-storage-file-datalake/azure/storage/filedatalake/_shared/authentication.py
index b11dc5757808..d04c1e4fb539 100644
--- a/sdk/storage/azure-storage-file-datalake/azure/storage/filedatalake/_shared/authentication.py
+++ b/sdk/storage/azure-storage-file-datalake/azure/storage/filedatalake/_shared/authentication.py
@@ -79,7 +79,9 @@ def _get_canonicalized_resource(self, request):
         uri_path = urlparse(request.http_request.url).path
         try:
             if isinstance(request.context.transport, AioHttpTransport) or \
-                    isinstance(getattr(request.context.transport, "_transport", None), AioHttpTransport):
+                    isinstance(getattr(request.context.transport, "_transport", None), AioHttpTransport) or \
+                    isinstance(getattr(getattr(request.context.transport, "_transport", None), "_transport", None),
+                               AioHttpTransport):
                 uri_path = URL(uri_path)
                 return '/' + self.account_name + str(uri_path)
         except TypeError:
diff --git a/sdk/storage/azure-storage-file-share/azure/storage/fileshare/_shared/authentication.py b/sdk/storage/azure-storage-file-share/azure/storage/fileshare/_shared/authentication.py
index b11dc5757808..d04c1e4fb539 100644
--- a/sdk/storage/azure-storage-file-share/azure/storage/fileshare/_shared/authentication.py
+++ b/sdk/storage/azure-storage-file-share/azure/storage/fileshare/_shared/authentication.py
@@ -79,7 +79,9 @@ def _get_canonicalized_resource(self, request):
         uri_path = urlparse(request.http_request.url).path
         try:
             if isinstance(request.context.transport, AioHttpTransport) or \
-                    isinstance(getattr(request.context.transport, "_transport", None), AioHttpTransport):
+                    isinstance(getattr(request.context.transport, "_transport", None), AioHttpTransport) or \
+                    isinstance(getattr(getattr(request.context.transport, "_transport", None), "_transport", None),
+                               AioHttpTransport):
                 uri_path = URL(uri_path)
                 return '/' + self.account_name + str(uri_path)
         except TypeError:
diff --git a/sdk/storage/azure-storage-queue/azure/storage/queue/_shared/authentication.py b/sdk/storage/azure-storage-queue/azure/storage/queue/_shared/authentication.py
index b11dc5757808..d04c1e4fb539 100644
--- a/sdk/storage/azure-storage-queue/azure/storage/queue/_shared/authentication.py
+++ b/sdk/storage/azure-storage-queue/azure/storage/queue/_shared/authentication.py
@@ -79,7 +79,9 @@ def _get_canonicalized_resource(self, request):
         uri_path = urlparse(request.http_request.url).path
         try:
             if isinstance(request.context.transport, AioHttpTransport) or \
-                    isinstance(getattr(request.context.transport, "_transport", None), AioHttpTransport):
+                    isinstance(getattr(request.context.transport, "_transport", None), AioHttpTransport) or \
+                    isinstance(getattr(getattr(request.context.transport, "_transport", None), "_transport", None),
+                               AioHttpTransport):
                 uri_path = URL(uri_path)
                 return '/' + self.account_name + str(uri_path)
         except TypeError: