diff --git a/sdk/appconfiguration/azure-appconfiguration/setup.py b/sdk/appconfiguration/azure-appconfiguration/setup.py
index 2198cba26ad8..cde22d49f3de 100644
--- a/sdk/appconfiguration/azure-appconfiguration/setup.py
+++ b/sdk/appconfiguration/azure-appconfiguration/setup.py
@@ -59,7 +59,7 @@
     classifiers=[
         "Development Status :: 5 - Production/Stable",
         "Programming Language :: Python",
-        "Programming Language :: Python :: 3",
+        "Programming Language :: Python :: 3 :: Only",
         "Programming Language :: Python :: 3.7",
         "Programming Language :: Python :: 3.8",
         "Programming Language :: Python :: 3.9",
diff --git a/sdk/identity/azure-identity/conftest.py b/sdk/identity/azure-identity/conftest.py
index 4416068398c0..f4a2f5d3f700 100644
--- a/sdk/identity/azure-identity/conftest.py
+++ b/sdk/identity/azure-identity/conftest.py
@@ -9,6 +9,9 @@
 import six
 from azure.identity._constants import DEVELOPER_SIGN_ON_CLIENT_ID, EnvironmentVariables
 
+if sys.version_info < (3, 5, 3):
+    collect_ignore_glob = ["*_async.py"]
+
 
 RECORD_IMDS = "--record-imds"
 
diff --git a/sdk/identity/azure-identity/dev_requirements.txt b/sdk/identity/azure-identity/dev_requirements.txt
index 56bb4a6b7a59..414d718794ab 100644
--- a/sdk/identity/azure-identity/dev_requirements.txt
+++ b/sdk/identity/azure-identity/dev_requirements.txt
@@ -1,5 +1,6 @@
 ../../core/azure-core
-aiohttp>=3.0
+aiohttp>=3.0; python_version >= '3.5'
+mock;python_version<"3.3"
 typing_extensions>=3.7.2
 -e ../../../tools/azure-sdk-tools
 -e ../../../tools/azure-devtools
\ No newline at end of file
diff --git a/sdk/identity/azure-identity/setup.cfg b/sdk/identity/azure-identity/setup.cfg
new file mode 100644
index 000000000000..3c6e79cf31da
--- /dev/null
+++ b/sdk/identity/azure-identity/setup.cfg
@@ -0,0 +1,2 @@
+[bdist_wheel]
+universal=1
diff --git a/sdk/identity/azure-identity/setup.py b/sdk/identity/azure-identity/setup.py
index 1dc4634d36da..3509a0780fba 100644
--- a/sdk/identity/azure-identity/setup.py
+++ b/sdk/identity/azure-identity/setup.py
@@ -15,6 +15,21 @@
 package_folder_path = PACKAGE_NAME.replace("-", "/")
 namespace_name = PACKAGE_NAME.replace("-", ".")
 
+# azure v0.x is not compatible with this package
+# azure v0.x used to have a __version__ attribute (newer versions don't)
+try:
+    import azure
+
+    try:
+        ver = azure.__version__  # type: ignore
+        raise Exception(
+            "This package is incompatible with azure=={}. ".format(ver) + 'Uninstall it with "pip uninstall azure".'
+        )
+    except AttributeError:
+        pass
+except ImportError:
+    pass
+
 with open(os.path.join(package_folder_path, "_version.py"), "r") as fd:
     VERSION = re.search(r'^VERSION\s*=\s*[\'"]([^\'"]*)[\'"]', fd.read(), re.MULTILINE).group(1)  # type: ignore
 if not VERSION:
@@ -39,7 +54,10 @@
     classifiers=[
         "Development Status :: 5 - Production/Stable",
         "Programming Language :: Python",
+        "Programming Language :: Python :: 2",
+        "Programming Language :: Python :: 2.7",
         "Programming Language :: Python :: 3",
+        "Programming Language :: Python :: 3.6",
         "Programming Language :: Python :: 3.7",
         "Programming Language :: Python :: 3.8",
         "Programming Language :: Python :: 3.9",
@@ -54,7 +72,6 @@
             "azure",
         ]
     ),
-    python_requires=">=3.7",
     install_requires=[
         "azure-core<2.0.0,>=1.11.0",
         "cryptography>=2.5",
@@ -62,4 +79,8 @@
         "msal-extensions~=0.3.0",
         "six>=1.12.0",
     ],
+    extras_require={
+        ":python_version<'3.0'": ["azure-nspkg"],
+        ":python_version<'3.5'": ["typing"],
+    },
 )
diff --git a/sdk/synapse/azure-synapse-accesscontrol/setup.py b/sdk/synapse/azure-synapse-accesscontrol/setup.py
index 78178fca2ad8..019297e1e574 100644
--- a/sdk/synapse/azure-synapse-accesscontrol/setup.py
+++ b/sdk/synapse/azure-synapse-accesscontrol/setup.py
@@ -49,7 +49,7 @@
     classifiers=[
         'Development Status :: 4 - Beta',
         'Programming Language :: Python',
-        'Programming Language :: Python :: 3',
+        "Programming Language :: Python :: 3 :: Only",
         'Programming Language :: Python :: 3.7',
         'Programming Language :: Python :: 3.8',
         'Programming Language :: Python :: 3.9',
diff --git a/sdk/synapse/azure-synapse-artifacts/setup.py b/sdk/synapse/azure-synapse-artifacts/setup.py
index 23a1c6b9af30..f669908d89aa 100644
--- a/sdk/synapse/azure-synapse-artifacts/setup.py
+++ b/sdk/synapse/azure-synapse-artifacts/setup.py
@@ -49,7 +49,7 @@
     classifiers=[
         "Development Status :: 5 - Production/Stable",
         'Programming Language :: Python',
-        'Programming Language :: Python :: 3',
+        "Programming Language :: Python :: 3 :: Only",
         'Programming Language :: Python :: 3.7',
         'Programming Language :: Python :: 3.8',
         'Programming Language :: Python :: 3.9',
diff --git a/sdk/synapse/azure-synapse-managedprivateendpoints/setup.py b/sdk/synapse/azure-synapse-managedprivateendpoints/setup.py
index 3d7c1b7eeb5e..f94b764df3a6 100644
--- a/sdk/synapse/azure-synapse-managedprivateendpoints/setup.py
+++ b/sdk/synapse/azure-synapse-managedprivateendpoints/setup.py
@@ -49,7 +49,7 @@
     classifiers=[
         'Development Status :: 4 - Beta',
         'Programming Language :: Python',
-        'Programming Language :: Python :: 3',
+        "Programming Language :: Python :: 3 :: Only",
         'Programming Language :: Python :: 3.7',
         'Programming Language :: Python :: 3.8',
         'Programming Language :: Python :: 3.9',
diff --git a/sdk/synapse/azure-synapse-monitoring/setup.py b/sdk/synapse/azure-synapse-monitoring/setup.py
index 4a1d2c87cb84..4314f76d6bbb 100644
--- a/sdk/synapse/azure-synapse-monitoring/setup.py
+++ b/sdk/synapse/azure-synapse-monitoring/setup.py
@@ -49,7 +49,7 @@
     classifiers=[
         'Development Status :: 4 - Beta',
         'Programming Language :: Python',
-        'Programming Language :: Python :: 3',
+        "Programming Language :: Python :: 3 :: Only",
         'Programming Language :: Python :: 3.7',
         'Programming Language :: Python :: 3.8',
         'Programming Language :: Python :: 3.9',
diff --git a/sdk/synapse/azure-synapse-spark/setup.py b/sdk/synapse/azure-synapse-spark/setup.py
index f25982560a24..9a5e1f7080e5 100644
--- a/sdk/synapse/azure-synapse-spark/setup.py
+++ b/sdk/synapse/azure-synapse-spark/setup.py
@@ -49,7 +49,7 @@
     classifiers=[
         'Development Status :: 4 - Beta',
         'Programming Language :: Python',
-        'Programming Language :: Python :: 3',
+        "Programming Language :: Python :: 3 :: Only",
         'Programming Language :: Python :: 3.7',
         'Programming Language :: Python :: 3.8',
         'Programming Language :: Python :: 3.9',