diff --git a/sdk/network/azure-mgmt-frontdoor/setup.py b/sdk/network/azure-mgmt-frontdoor/setup.py
index 2a3a36d9c429..3378256d91ef 100644
--- a/sdk/network/azure-mgmt-frontdoor/setup.py
+++ b/sdk/network/azure-mgmt-frontdoor/setup.py
@@ -36,7 +36,9 @@
     pass
 
 # Version extraction inspired from 'requests'
-with open(os.path.join(package_folder_path, 'version.py'), 'r') as fd:
+with open(os.path.join(package_folder_path, 'version.py')
+          if os.path.exists(os.path.join(package_folder_path, 'version.py'))
+          else os.path.join(package_folder_path, '_version.py'), 'r') as fd:
     version = re.search(r'^VERSION\s*=\s*[\'"]([^\'"]*)[\'"]',
                         fd.read(), re.MULTILINE).group(1)
 
diff --git a/sdk/network/azure-mgmt-privatedns/setup.py b/sdk/network/azure-mgmt-privatedns/setup.py
index 07257146c961..ed8b38d9b7d6 100644
--- a/sdk/network/azure-mgmt-privatedns/setup.py
+++ b/sdk/network/azure-mgmt-privatedns/setup.py
@@ -36,7 +36,9 @@
     pass
 
 # Version extraction inspired from 'requests'
-with open(os.path.join(package_folder_path, 'version.py'), 'r') as fd:
+with open(os.path.join(package_folder_path, 'version.py')
+          if os.path.exists(os.path.join(package_folder_path, 'version.py'))
+          else os.path.join(package_folder_path, '_version.py'), 'r') as fd:
     version = re.search(r'^VERSION\s*=\s*[\'"]([^\'"]*)[\'"]',
                         fd.read(), re.MULTILINE).group(1)