diff --git a/acceptance/tests/allow_arbitrary_node_name_fact_for_agent.rb b/acceptance/tests/allow_arbitrary_node_name_fact_for_agent.rb
index 2e89d765f..c08c2e9a5 100644
--- a/acceptance/tests/allow_arbitrary_node_name_fact_for_agent.rb
+++ b/acceptance/tests/allow_arbitrary_node_name_fact_for_agent.rb
@@ -1,46 +1,48 @@
 test_name "node_name_fact should be used to determine the node name for puppet agent"
 
 success_message = "node_name_fact setting was correctly used to determine the node name"
 
 node_names = []
 
 on agents, facter('kernel') do
   node_names << stdout.chomp
 end
 
 node_names.uniq!
 
 authfile = "/tmp/auth.conf-2128-#{$$}"
 authconf = node_names.map do |node_name|
   %Q[
 path /catalog/#{node_name}
 auth yes
 allow *
 ]
 end.join("\n")
 
 manifest_file = "/tmp/node_name_value-test-#{$$}.pp"
 manifest = %Q[
   Exec { path => "/usr/bin:/bin" }
   node default {
     exec { "false": }
   }
 ]
 manifest << node_names.map do |node_name|
   %Q[
     node "#{node_name}" {
       exec { "echo #{success_message}": }
     }
   ]
 end.join("\n")
 
 create_remote_file master, authfile, authconf
 create_remote_file master, manifest_file, manifest
 
 on master, "chmod 644 #{authfile} #{manifest_file}"
 
-with_master_running_on(master, "--rest_authconfig #{authfile} --manifest #{manifest_file} --daemonize --autosign true") do
+on hosts, "rm -rf /etc/puppet/ssl"
+
+with_master_running_on(master, "--rest_authconfig #{authfile} --manifest #{manifest_file} --daemonize --dns_alt_names=\"puppet, $(hostname -s), $(hostname -f)\" --autosign true") do
   run_agent_on(agents, "--no-daemonize --verbose --onetime --node_name_fact kernel --server #{master}") do
     assert_match(success_message, stdout)
   end
 end
diff --git a/acceptance/tests/allow_arbitrary_node_name_for_agent.rb b/acceptance/tests/allow_arbitrary_node_name_for_agent.rb
index f5e027660..f35c32bc3 100644
--- a/acceptance/tests/allow_arbitrary_node_name_for_agent.rb
+++ b/acceptance/tests/allow_arbitrary_node_name_for_agent.rb
@@ -1,29 +1,31 @@
 test_name "node_name_value should be used as the node name for puppet agent"
 
 success_message = "node_name_value setting was correctly used as the node name"
 
 authfile = "/tmp/auth.conf-2128-#{$$}"
 create_remote_file master, authfile, <<AUTHCONF
 path /catalog/specified_node_name
 auth yes
 allow *
 AUTHCONF
 
 manifest_file = "/tmp/node_name_value-test-#{$$}.pp"
 create_remote_file master, manifest_file, <<MANIFEST
   Exec { path => "/usr/bin:/bin" }
   node default {
     exec { "false": }
   }
   node specified_node_name {
     exec { "echo #{success_message}": }
   }
 MANIFEST
 
 on master, "chmod 644 #{authfile} #{manifest_file}"
 
-with_master_running_on(master, "--rest_authconfig #{authfile} --manifest #{manifest_file} --daemonize --autosign true") do
+on hosts, "rm -rf /etc/puppet/ssl"
+
+with_master_running_on(master, "--rest_authconfig #{authfile} --manifest #{manifest_file} --daemonize --dns_alt_names=\"puppet, $(hostname -s), $(hostname -f)\" --autosign true") do
   run_agent_on(agents, "--no-daemonize --verbose --onetime --node_name_value specified_node_name --server #{master}") do
     assert_match(success_message, stdout)
   end
 end
diff --git a/acceptance/tests/ticket_5477_master_not_dectect_sitepp.rb b/acceptance/tests/ticket_5477_master_not_dectect_sitepp.rb
index bfcbdc7cb..70f02f824 100644
--- a/acceptance/tests/ticket_5477_master_not_dectect_sitepp.rb
+++ b/acceptance/tests/ticket_5477_master_not_dectect_sitepp.rb
@@ -1,30 +1,31 @@
 # In 2.6, compile does not fail when site.pp does not exist.
 #
 # However, if a catalog is compiled when site.pp does not exist, 
 # puppetmaster does not detect when site.pp is created. This requires a restart
 # 
  
 test_name "Ticket 5477, Puppet Master does not detect newly created site.pp file"
 
 manifest_file = "/tmp/missing_site-5477-#{$$}.pp"
 
 on master, "rm -f #{manifest_file}"
+on hosts, "rm -rf /etc/puppet/ssl"
 
-with_master_running_on(master, "--manifest #{manifest_file} --dns_alt_names=\"puppet, $(hostname -s), $(hostname -f)\" --verbose --filetimeout 1") do
+with_master_running_on(master, "--manifest #{manifest_file} --dns_alt_names=\"puppet, $(hostname -s), $(hostname -f)\" --verbose --filetimeout 1 --autosign true") do
   # Run test on Agents
   step "Agent: agent --test"
   on agents, puppet_agent("--test")
 
   # Create a new site.pp
   step "Master: create basic site.pp file"
   create_remote_file master, manifest_file, "notify{ticket_5477_notify:}"
 
   on master, "chmod 644 #{manifest_file}"
 
   sleep 3
 
   step "Agent: puppet agent --test"
   on agents, puppet_agent("--test"), :acceptable_exit_codes => [2] do
     fail_test "Site.pp not detect at Master?" unless stdout.include? 'ticket_5477_notify'
   end
 end