diff --git a/lib/new_relic/control/instance_methods.rb b/lib/new_relic/control/instance_methods.rb
index ee3dd91dfa..6d48b0d2a7 100644
--- a/lib/new_relic/control/instance_methods.rb
+++ b/lib/new_relic/control/instance_methods.rb
@@ -64,8 +64,12 @@ def init_plugin(options = {})
 
         # An artifact of earlier implementation, we put both #add_method_tracer and #trace_execution
         # methods in the module methods.
-        Module.send(:include, NewRelic::Agent::MethodTracer::ClassMethods)
-        Module.send(:include, NewRelic::Agent::MethodTracer)
+        # Rails applications load the next two lines before any other initializers are run
+        unless defined?(Rails::VERSION)
+          Module.send(:include, NewRelic::Agent::MethodTracer::ClassMethods)
+          Module.send(:include, NewRelic::Agent::MethodTracer)
+        end
+
         init_config(options)
         NewRelic::Agent.agent = NewRelic::Agent::Agent.instance
         init_instrumentation
diff --git a/lib/newrelic_rpm.rb b/lib/newrelic_rpm.rb
index 0b118b1d39..37e6e1854e 100644
--- a/lib/newrelic_rpm.rb
+++ b/lib/newrelic_rpm.rb
@@ -20,7 +20,12 @@
 if defined?(Rails::VERSION)
   module NewRelic
     class Railtie < Rails::Railtie
-      initializer "newrelic_rpm.start_plugin", before: :load_config_initializers do |app|
+      initializer "newrelic_rpm.include_method_tracers", before: :load_config_initializers do |app|
+        Module.send(:include, NewRelic::Agent::MethodTracer::ClassMethods)
+        Module.send(:include, NewRelic::Agent::MethodTracer)
+      end
+
+      initializer "newrelic_rpm.start_plugin", after: :load_config_initializers do |app|
         NewRelic::Control.instance.init_plugin(config: app.config)
       end
     end
diff --git a/test/environments/rails40/config/initializers/test.rb b/test/environments/rails40/config/initializers/test.rb
new file mode 100644
index 0000000000..1d88e77b0a
--- /dev/null
+++ b/test/environments/rails40/config/initializers/test.rb
@@ -0,0 +1,20 @@
+# This file is distributed under New Relic's license terms.
+# See https://github.com/newrelic/newrelic-ruby-agent/blob/main/LICENSE for complete details.
+# frozen_string_literal: true
+
+require 'new_relic/agent/method_tracer'
+
+class Bloodhound < ActiveRecord::Base
+  include ::NewRelic::Agent::MethodTracer
+
+  def sniff
+    puts "When a bloodhound sniffs a scent article (a piece of clothing or item touched only by the subject), " \
+    "air rushes through its nasal cavity and chemical vapors — or odors — lodge in the mucus and bombard the dog's " \
+    "scent receptors. " \
+    "Source: https://www.pbs.org/wnet/nature/underdogs-the-bloodhounds-amazing-sense-of-smell/350/"
+  end
+
+  add_method_tracer :sniff
+end
+
+Rails.application.config.active_record.timestamped_migrations = false
diff --git a/test/environments/rails41/config/initializers/test.rb b/test/environments/rails41/config/initializers/test.rb
new file mode 100644
index 0000000000..06be89db54
--- /dev/null
+++ b/test/environments/rails41/config/initializers/test.rb
@@ -0,0 +1,19 @@
+# This file is distributed under New Relic's license terms.
+# See https://github.com/newrelic/newrelic-ruby-agent/blob/main/LICENSE for complete details.
+# frozen_string_literal: true
+
+require 'new_relic/agent/method_tracer'
+
+class Bloodhound < ActiveRecord::Base
+  include ::NewRelic::Agent::MethodTracer
+
+  def sniff
+    puts "When a bloodhound sniffs a scent article (a piece of clothing or item touched only by the subject)," \
+    "air rushes through its nasal cavity and chemical vapors — or odors — lodge in the mucus and bombard the dog's scent receptors. " \
+    "Source: https://www.pbs.org/wnet/nature/underdogs-the-bloodhounds-amazing-sense-of-smell/350/"
+  end
+
+  add_method_tracer :sniff
+end
+
+Rails.application.config.active_record.timestamped_migrations = false
diff --git a/test/environments/rails42/config/initializers/test.rb b/test/environments/rails42/config/initializers/test.rb
new file mode 100644
index 0000000000..1d88e77b0a
--- /dev/null
+++ b/test/environments/rails42/config/initializers/test.rb
@@ -0,0 +1,20 @@
+# This file is distributed under New Relic's license terms.
+# See https://github.com/newrelic/newrelic-ruby-agent/blob/main/LICENSE for complete details.
+# frozen_string_literal: true
+
+require 'new_relic/agent/method_tracer'
+
+class Bloodhound < ActiveRecord::Base
+  include ::NewRelic::Agent::MethodTracer
+
+  def sniff
+    puts "When a bloodhound sniffs a scent article (a piece of clothing or item touched only by the subject), " \
+    "air rushes through its nasal cavity and chemical vapors — or odors — lodge in the mucus and bombard the dog's " \
+    "scent receptors. " \
+    "Source: https://www.pbs.org/wnet/nature/underdogs-the-bloodhounds-amazing-sense-of-smell/350/"
+  end
+
+  add_method_tracer :sniff
+end
+
+Rails.application.config.active_record.timestamped_migrations = false
diff --git a/test/environments/rails50/config/initializers/test.rb b/test/environments/rails50/config/initializers/test.rb
new file mode 100644
index 0000000000..1d88e77b0a
--- /dev/null
+++ b/test/environments/rails50/config/initializers/test.rb
@@ -0,0 +1,20 @@
+# This file is distributed under New Relic's license terms.
+# See https://github.com/newrelic/newrelic-ruby-agent/blob/main/LICENSE for complete details.
+# frozen_string_literal: true
+
+require 'new_relic/agent/method_tracer'
+
+class Bloodhound < ActiveRecord::Base
+  include ::NewRelic::Agent::MethodTracer
+
+  def sniff
+    puts "When a bloodhound sniffs a scent article (a piece of clothing or item touched only by the subject), " \
+    "air rushes through its nasal cavity and chemical vapors — or odors — lodge in the mucus and bombard the dog's " \
+    "scent receptors. " \
+    "Source: https://www.pbs.org/wnet/nature/underdogs-the-bloodhounds-amazing-sense-of-smell/350/"
+  end
+
+  add_method_tracer :sniff
+end
+
+Rails.application.config.active_record.timestamped_migrations = false
diff --git a/test/environments/rails51/config/initializers/test.rb b/test/environments/rails51/config/initializers/test.rb
new file mode 100644
index 0000000000..1d88e77b0a
--- /dev/null
+++ b/test/environments/rails51/config/initializers/test.rb
@@ -0,0 +1,20 @@
+# This file is distributed under New Relic's license terms.
+# See https://github.com/newrelic/newrelic-ruby-agent/blob/main/LICENSE for complete details.
+# frozen_string_literal: true
+
+require 'new_relic/agent/method_tracer'
+
+class Bloodhound < ActiveRecord::Base
+  include ::NewRelic::Agent::MethodTracer
+
+  def sniff
+    puts "When a bloodhound sniffs a scent article (a piece of clothing or item touched only by the subject), " \
+    "air rushes through its nasal cavity and chemical vapors — or odors — lodge in the mucus and bombard the dog's " \
+    "scent receptors. " \
+    "Source: https://www.pbs.org/wnet/nature/underdogs-the-bloodhounds-amazing-sense-of-smell/350/"
+  end
+
+  add_method_tracer :sniff
+end
+
+Rails.application.config.active_record.timestamped_migrations = false
diff --git a/test/environments/rails52/config/initializers/test.rb b/test/environments/rails52/config/initializers/test.rb
new file mode 100644
index 0000000000..1d88e77b0a
--- /dev/null
+++ b/test/environments/rails52/config/initializers/test.rb
@@ -0,0 +1,20 @@
+# This file is distributed under New Relic's license terms.
+# See https://github.com/newrelic/newrelic-ruby-agent/blob/main/LICENSE for complete details.
+# frozen_string_literal: true
+
+require 'new_relic/agent/method_tracer'
+
+class Bloodhound < ActiveRecord::Base
+  include ::NewRelic::Agent::MethodTracer
+
+  def sniff
+    puts "When a bloodhound sniffs a scent article (a piece of clothing or item touched only by the subject), " \
+    "air rushes through its nasal cavity and chemical vapors — or odors — lodge in the mucus and bombard the dog's " \
+    "scent receptors. " \
+    "Source: https://www.pbs.org/wnet/nature/underdogs-the-bloodhounds-amazing-sense-of-smell/350/"
+  end
+
+  add_method_tracer :sniff
+end
+
+Rails.application.config.active_record.timestamped_migrations = false
diff --git a/test/environments/rails60/config/initializers/test.rb b/test/environments/rails60/config/initializers/test.rb
new file mode 100644
index 0000000000..1d88e77b0a
--- /dev/null
+++ b/test/environments/rails60/config/initializers/test.rb
@@ -0,0 +1,20 @@
+# This file is distributed under New Relic's license terms.
+# See https://github.com/newrelic/newrelic-ruby-agent/blob/main/LICENSE for complete details.
+# frozen_string_literal: true
+
+require 'new_relic/agent/method_tracer'
+
+class Bloodhound < ActiveRecord::Base
+  include ::NewRelic::Agent::MethodTracer
+
+  def sniff
+    puts "When a bloodhound sniffs a scent article (a piece of clothing or item touched only by the subject), " \
+    "air rushes through its nasal cavity and chemical vapors — or odors — lodge in the mucus and bombard the dog's " \
+    "scent receptors. " \
+    "Source: https://www.pbs.org/wnet/nature/underdogs-the-bloodhounds-amazing-sense-of-smell/350/"
+  end
+
+  add_method_tracer :sniff
+end
+
+Rails.application.config.active_record.timestamped_migrations = false
diff --git a/test/environments/rails61/config/initializers/test.rb b/test/environments/rails61/config/initializers/test.rb
new file mode 100644
index 0000000000..1d88e77b0a
--- /dev/null
+++ b/test/environments/rails61/config/initializers/test.rb
@@ -0,0 +1,20 @@
+# This file is distributed under New Relic's license terms.
+# See https://github.com/newrelic/newrelic-ruby-agent/blob/main/LICENSE for complete details.
+# frozen_string_literal: true
+
+require 'new_relic/agent/method_tracer'
+
+class Bloodhound < ActiveRecord::Base
+  include ::NewRelic::Agent::MethodTracer
+
+  def sniff
+    puts "When a bloodhound sniffs a scent article (a piece of clothing or item touched only by the subject), " \
+    "air rushes through its nasal cavity and chemical vapors — or odors — lodge in the mucus and bombard the dog's " \
+    "scent receptors. " \
+    "Source: https://www.pbs.org/wnet/nature/underdogs-the-bloodhounds-amazing-sense-of-smell/350/"
+  end
+
+  add_method_tracer :sniff
+end
+
+Rails.application.config.active_record.timestamped_migrations = false
diff --git a/test/environments/rails70/config/initializers/test.rb b/test/environments/rails70/config/initializers/test.rb
new file mode 100644
index 0000000000..1d88e77b0a
--- /dev/null
+++ b/test/environments/rails70/config/initializers/test.rb
@@ -0,0 +1,20 @@
+# This file is distributed under New Relic's license terms.
+# See https://github.com/newrelic/newrelic-ruby-agent/blob/main/LICENSE for complete details.
+# frozen_string_literal: true
+
+require 'new_relic/agent/method_tracer'
+
+class Bloodhound < ActiveRecord::Base
+  include ::NewRelic::Agent::MethodTracer
+
+  def sniff
+    puts "When a bloodhound sniffs a scent article (a piece of clothing or item touched only by the subject), " \
+    "air rushes through its nasal cavity and chemical vapors — or odors — lodge in the mucus and bombard the dog's " \
+    "scent receptors. " \
+    "Source: https://www.pbs.org/wnet/nature/underdogs-the-bloodhounds-amazing-sense-of-smell/350/"
+  end
+
+  add_method_tracer :sniff
+end
+
+Rails.application.config.active_record.timestamped_migrations = false
diff --git a/test/environments/railsedge/config/initializers/test.rb b/test/environments/railsedge/config/initializers/test.rb
new file mode 100644
index 0000000000..1d88e77b0a
--- /dev/null
+++ b/test/environments/railsedge/config/initializers/test.rb
@@ -0,0 +1,20 @@
+# This file is distributed under New Relic's license terms.
+# See https://github.com/newrelic/newrelic-ruby-agent/blob/main/LICENSE for complete details.
+# frozen_string_literal: true
+
+require 'new_relic/agent/method_tracer'
+
+class Bloodhound < ActiveRecord::Base
+  include ::NewRelic::Agent::MethodTracer
+
+  def sniff
+    puts "When a bloodhound sniffs a scent article (a piece of clothing or item touched only by the subject), " \
+    "air rushes through its nasal cavity and chemical vapors — or odors — lodge in the mucus and bombard the dog's " \
+    "scent receptors. " \
+    "Source: https://www.pbs.org/wnet/nature/underdogs-the-bloodhounds-amazing-sense-of-smell/350/"
+  end
+
+  add_method_tracer :sniff
+end
+
+Rails.application.config.active_record.timestamped_migrations = false
diff --git a/test/new_relic/newrelic_rpm_test.rb b/test/new_relic/newrelic_rpm_test.rb
new file mode 100644
index 0000000000..3698b9bad8
--- /dev/null
+++ b/test/new_relic/newrelic_rpm_test.rb
@@ -0,0 +1,47 @@
+# This file is distributed under New Relic's license terms.
+# See https://github.com/newrelic/newrelic-ruby-agent/blob/main/LICENSE for complete details.
+# frozen_string_literal: true
+
+require_relative '../test_helper'
+
+class NewRelicRpmTest < Minitest::Test
+  # This test examines the behavior of an initializer when the agent is started in a Rails context
+  # The initializer used for these tests is defined in test/environments/*/config/inititalizers/test.rb
+
+  # We have documentation recommending customers call add_method_tracer
+  # in their initializers, let's make sure this works
+  def test_add_method_tracer_in_initializer_gets_traced
+    skip unless defined?(Rails::VERSION)
+    skip 'MySQL error for Rails 3.2' if Rails::VERSION::MAJOR == 3
+
+    assert Bloodhound.newrelic_method_exists?('sniff'),
+      'Bloodhound#sniff not found by' \
+      'NewRelic::Agent::MethodTracer::ClassMethods::AddMethodTracer.newrelic_method_exists?'
+    assert Bloodhound.method_traced?('sniff'),
+      'Bloodhound#sniff not found by' \
+      'NewRelic::Agent::MethodTracer::ClassMethods::AddMethodTracer.method_traced?'
+  end
+
+  # All supported Rails versions have the default value for
+  # timestamped_migrations as true. Our initializer sets it to false.
+  # Test to resolve: https://github.com/newrelic/newrelic-ruby-agent/issues/662
+  def test_active_record_initializer_config_change_saved
+    skip unless defined?(Rails::VERSION)
+    # TODO: This test passes in a Rails console in a playground app and in the customer's environment
+    # but fails in this unit test context
+    skip if Gem::Version.new(NewRelic::VERSION::STRING) >= Gem::Version.new('8.13.0')
+    skip 'MySQL error for Rails 3.2' if Rails::VERSION::MAJOR == 3
+
+    # Verify the configuration value was set to the initializer value
+    refute Rails.application.config.active_record.timestamped_migrations,
+      "Rails.application.config.active_record.timestamped_migrations equals true, expected false"
+
+    # Verify the configuration value was applied to the ActiveRecord class variable
+    if Gem::Version.new(Rails::VERSION::STRING) >= Gem::Version.new('7.1')
+      refute ActiveRecord.timestamped_migrations, "ActiveRecord.timestamped_migrations equals true, expected false"
+    else
+      refute ActiveRecord::Base.timestamped_migrations,
+        "ActiveRecord::Base.timestamped_migrations equals true, expected false"
+    end
+  end
+end