diff --git a/conf/server.yaml.template b/conf/server.yaml.template
index 4d905f45e8e..e196dd9413d 100644
--- a/conf/server.yaml.template
+++ b/conf/server.yaml.template
@@ -14,9 +14,9 @@ SERVER:
     # The RHEL Base OS Version(x.y) where the Satellite is installed
     RHEL_VERSION: '7'
   # If the the satellite server is IPv6 server
-  # IS_IPV6:
+  IS_IPV6: False
   # HTTP Proxy url for IPv6 satellite to connect for outer world access
-  # HTTP_PROXY_IPv6_URL:
+  HTTP_PROXY_IPv6_URL:
   # run-on-one - All xdist runners default to the first satellite
   # balance - xdist runners will be split between available satellites
   # on-demand - any xdist runner without a satellite will have a new one provisioned.
diff --git a/pytest_fixtures/core/broker.py b/pytest_fixtures/core/broker.py
index 0b9c114211d..9e63ce92a14 100644
--- a/pytest_fixtures/core/broker.py
+++ b/pytest_fixtures/core/broker.py
@@ -24,7 +24,7 @@ def _target_sat_imp(request, _default_sat, satellite_factory):
     """This is the actual working part of the following target_sat fixtures"""
     if request.node.get_closest_marker(name='destructive'):
         new_sat = satellite_factory()
-        new_sat.sat.enable_ipv6_http_proxy()
+        new_sat.enable_ipv6_http_proxy()
         yield new_sat
         new_sat.teardown()
         Broker(hosts=[new_sat]).checkin()
@@ -33,7 +33,8 @@ def _target_sat_imp(request, _default_sat, satellite_factory):
         settings.set('server.hostname', installer_sat.hostname)
         yield installer_sat
     else:
-        _default_sat.enable_ipv6_http_proxy()
+        if _default_sat:
+            _default_sat.enable_ipv6_http_proxy()
         yield _default_sat
 
 
diff --git a/robottelo/config/validators.py b/robottelo/config/validators.py
index 6ba7c769b7c..1c37d63404f 100644
--- a/robottelo/config/validators.py
+++ b/robottelo/config/validators.py
@@ -36,7 +36,7 @@
         Validator('server.ssh_password', default=None),
         Validator('server.verify_ca', default=False),
         Validator('server.is_ipv6', is_type_of=bool, default=False),
-        Validator('server.http_proxy_ipv6_url', is_type_of=str),
+        Validator('server.http_proxy_ipv6_url', is_type_of=str, default=None),
     ],
     content_host=[
         Validator('content_host.default_rhel_version', must_exist=True),