diff --git a/salt/config.py b/salt/config.py
index 5073ded629..a7727ecc65 100644
--- a/salt/config.py
+++ b/salt/config.py
@@ -2390,8 +2390,16 @@ def is_profile_configured(opts, provider, profile_name):
 
     .. versionadded:: Beryllium
     '''
-    required_keys = ['image', 'provider', 'size']
+    # Standard dict keys required by all drivers.
+    required_keys = ['image', 'provider']
     alias, driver = provider.split(':')
+
+    # Most drivers need a size, but some do not.
+    non_size_drivers = ['parallels', 'softlayer', 'softlayer_hw']
+
+    if driver not in non_size_drivers:
+        required_keys.append('size')
+
     provider_key = opts['providers'][alias][driver]
     profile_key = opts['providers'][alias][driver]['profiles'][profile_name]