diff --git a/modules/wikis/app/controllers/wikis/admin/internal_wiki_provider_controller.rb b/modules/wikis/app/controllers/wikis/admin/internal_wiki_provider_controller.rb
new file mode 100644
index 000000000000..babc03aebc6f
--- /dev/null
+++ b/modules/wikis/app/controllers/wikis/admin/internal_wiki_provider_controller.rb
@@ -0,0 +1,57 @@
+# frozen_string_literal: true
+
+#-- copyright
+# OpenProject is an open source project management software.
+# Copyright (C) the OpenProject GmbH
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License version 3.
+#
+# OpenProject is a fork of ChiliProject, which is a fork of Redmine. The copyright follows:
+# Copyright (C) 2006-2013 Jean-Philippe Lang
+# Copyright (C) 2010-2013 the ChiliProject Team
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 2
+# of the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+#
+# See COPYRIGHT and LICENSE files for more details.
+#++
+
+module Wikis
+  module Admin
+    class InternalWikiProviderController < ApplicationController
+      layout "admin"
+
+      before_action :require_admin
+
+      menu_item :internal_wiki_provider
+
+      def show
+        @provider = Wikis::InternalProvider.first
+      end
+
+      def update
+        provider = Wikis::InternalProvider.first
+        provider.update!(enabled: internal_provider_params[:enabled])
+        redirect_to admin_settings_internal_wiki_provider_path
+      end
+
+      private
+
+      def internal_provider_params
+        params.expect(wikis_internal_provider: :enabled)
+      end
+    end
+  end
+end
diff --git a/modules/wikis/app/controllers/wikis/admin/wiki_providers_controller.rb b/modules/wikis/app/controllers/wikis/admin/wiki_providers_controller.rb
index e509182c55eb..0475bf0ce382 100644
--- a/modules/wikis/app/controllers/wikis/admin/wiki_providers_controller.rb
+++ b/modules/wikis/app/controllers/wikis/admin/wiki_providers_controller.rb
@@ -39,7 +39,7 @@ class WikiProvidersController < ApplicationController
       before_action :require_admin
       before_action :find_wiki_provider, only: %i[edit update destroy confirm_destroy edit_general_info replace_oauth_application]
 
-      menu_item :wiki_providers
+      menu_item :external_wiki_providers
 
       def index
         @wiki_providers = editable_wiki_providers
diff --git a/modules/wikis/app/forms/wikis/admin/internal_provider_form.rb b/modules/wikis/app/forms/wikis/admin/internal_provider_form.rb
new file mode 100644
index 000000000000..61e7e8df168c
--- /dev/null
+++ b/modules/wikis/app/forms/wikis/admin/internal_provider_form.rb
@@ -0,0 +1,43 @@
+# frozen_string_literal: true
+
+#-- copyright
+# OpenProject is an open source project management software.
+# Copyright (C) the OpenProject GmbH
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License version 3.
+#
+# OpenProject is a fork of ChiliProject, which is a fork of Redmine. The copyright follows:
+# Copyright (C) 2006-2013 Jean-Philippe Lang
+# Copyright (C) 2010-2013 the ChiliProject Team
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 2
+# of the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+#
+# See COPYRIGHT and LICENSE files for more details.
+#++
+
+module Wikis::Admin
+  class InternalProviderForm < ApplicationForm
+    form do |f|
+      f.check_box(
+        name: :enabled,
+        label: I18n.t("wikis.admin.internal_provider_form.checkbox_label"),
+        caption: I18n.t("wikis.admin.internal_provider_form.checkbox_caption")
+      )
+
+      f.submit(name: :save, label: I18n.t("button_save"), scheme: :primary)
+    end
+  end
+end
diff --git a/modules/wikis/app/seeders/basic_data/wikis/internal_provider_seeder.rb b/modules/wikis/app/seeders/basic_data/wikis/internal_provider_seeder.rb
new file mode 100644
index 000000000000..639c93f5d539
--- /dev/null
+++ b/modules/wikis/app/seeders/basic_data/wikis/internal_provider_seeder.rb
@@ -0,0 +1,43 @@
+# frozen_string_literal: true
+
+#-- copyright
+# OpenProject is an open source project management software.
+# Copyright (C) the OpenProject GmbH
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License version 3.
+#
+# OpenProject is a fork of ChiliProject, which is a fork of Redmine. The copyright follows:
+# Copyright (C) 2006-2013 Jean-Philippe Lang
+# Copyright (C) 2010-2013 the ChiliProject Team
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 2
+# of the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+#
+# See COPYRIGHT and LICENSE files for more details.
+#++
+
+module BasicData
+  module Wikis
+    class InternalProviderSeeder < Seeder
+      def seed_data!
+        ::Wikis::InternalProvider.create!(universal_identifier: "internal", name: "internal", enabled: true)
+      end
+
+      def applicable?
+        !::Wikis::InternalProvider.exists?
+      end
+    end
+  end
+end
diff --git a/modules/wikis/app/views/wikis/admin/internal_wiki_provider/show.html.erb b/modules/wikis/app/views/wikis/admin/internal_wiki_provider/show.html.erb
new file mode 100644
index 000000000000..bff9216d6a91
--- /dev/null
+++ b/modules/wikis/app/views/wikis/admin/internal_wiki_provider/show.html.erb
@@ -0,0 +1,48 @@
+<%#-- copyright
+OpenProject is an open source project management software.
+Copyright (C) the OpenProject GmbH
+
+This program is free software; you can redistribute it and/or
+modify it under the terms of the GNU General Public License version 3.
+
+OpenProject is a fork of ChiliProject, which is a fork of Redmine. The copyright follows:
+Copyright (C) 2006-2013 Jean-Philippe Lang
+Copyright (C) 2010-2013 the ChiliProject Team
+
+This program is free software; you can redistribute it and/or
+modify it under the terms of the GNU General Public License
+as published by the Free Software Foundation; either version 2
+of the License, or (at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program; if not, write to the Free Software
+Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+
+See COPYRIGHT and LICENSE files for more details.
+
+++#%>
+
+<% html_title t(:label_administration), Wikis::InternalProvider.model_name.human %>
+
+<% content_for :content_header do %>
+  <%= render(Primer::OpenProject::PageHeader.new) do |header| %>
+    <% header.with_title { Wikis::InternalProvider.model_name.human } %>
+    <% header.with_description { t(".description") } %>
+    <% header.with_breadcrumbs([
+      { href: admin_index_path, text: t(:label_administration) },
+      { href: admin_settings_wiki_providers_path, text: t("menus.admin.wikis") },
+      Wikis::InternalProvider.model_name.human
+    ]) %>
+  <% end %>
+<% end %>
+
+<%=
+  primer_form_with(model: @provider, url: admin_settings_internal_wiki_provider_path) do |form|
+    render(Wikis::Admin::InternalProviderForm.new(form))
+  end
+%>
diff --git a/modules/wikis/app/views/wikis/admin/wiki_providers/edit.html.erb b/modules/wikis/app/views/wikis/admin/wiki_providers/edit.html.erb
index b8afd7cbb115..a2c995b122fa 100644
--- a/modules/wikis/app/views/wikis/admin/wiki_providers/edit.html.erb
+++ b/modules/wikis/app/views/wikis/admin/wiki_providers/edit.html.erb
@@ -43,6 +43,7 @@ See COPYRIGHT and LICENSE files for more details.
     header.with_breadcrumbs(
       [
         { href: admin_index_path, text: t(:label_administration) },
+        { href: admin_settings_wiki_providers_path, text: t("menus.admin.wikis") },
         { href: admin_settings_wiki_providers_path, text: t(:project_module_wiki_platforms) },
         page_title
       ]
diff --git a/modules/wikis/app/views/wikis/admin/wiki_providers/index.html.erb b/modules/wikis/app/views/wikis/admin/wiki_providers/index.html.erb
index fb08ec6d2e51..51dcb9214296 100644
--- a/modules/wikis/app/views/wikis/admin/wiki_providers/index.html.erb
+++ b/modules/wikis/app/views/wikis/admin/wiki_providers/index.html.erb
@@ -35,6 +35,7 @@ See COPYRIGHT and LICENSE files for more details.
     <% header.with_description { t("wikis.admin.wiki_providers.index_description") } %>
     <% header.with_breadcrumbs([
       { href: admin_index_path, text: t(:label_administration) },
+      { href: admin_settings_wiki_providers_path, text: t("menus.admin.wikis") },
       t(:project_module_wiki_platforms)
     ]) %>
   <% end %>
diff --git a/modules/wikis/app/views/wikis/admin/wiki_providers/new.html.erb b/modules/wikis/app/views/wikis/admin/wiki_providers/new.html.erb
index 9128d2f50de7..eeefe9627261 100644
--- a/modules/wikis/app/views/wikis/admin/wiki_providers/new.html.erb
+++ b/modules/wikis/app/views/wikis/admin/wiki_providers/new.html.erb
@@ -36,6 +36,7 @@ See COPYRIGHT and LICENSE files for more details.
 
   <% header.with_breadcrumbs([
     { href: admin_index_path, text: t(:label_administration) },
+    { href: admin_settings_wiki_providers_path, text: t("menus.admin.wikis") },
     { href: admin_settings_wiki_providers_path, text: t(:project_module_wiki_platforms) },
     t("wikis.admin.wiki_providers.label_new_provider")
   ]) %>
diff --git a/modules/wikis/config/locales/en.yml b/modules/wikis/config/locales/en.yml
index 3f2d66317e40..909e0cbcab8f 100644
--- a/modules/wikis/config/locales/en.yml
+++ b/modules/wikis/config/locales/en.yml
@@ -31,6 +31,11 @@ en:
       wikis/xwiki_provider:
         one: XWiki provider
         other: XWiki providers
+  menus:
+    admin:
+      external_wiki_providers: Wiki providers
+      internal_wiki_provider: Internal wiki
+      wikis: "Wikis"
   permission_manage_wiki_page_links: Manage Wiki Page Links
   project_module_wiki_platforms: Wiki providers
   wikis:
@@ -113,6 +118,12 @@ en:
           no_health_report: No report available
           no_health_report_description: Run the checks now for a full health status report for this wiki provider.
           title: Health Report
+      internal_provider_form:
+        checkbox_caption: Allow projects to use the internal OpenProject wiki along with external Wiki providers
+        checkbox_label: Enable the internal OpenProject wiki
+      internal_wiki_provider:
+        show:
+          description: Choose to enable or disable the internal OpenProject wiki
       oauth_application_info_component:
         confirm_replace_oauth_application: This action will reset the current OAuth credentials. After confirming you will have to reenter the credentials in your XWiki instance and all users will have to reauthorize. Are you sure you want to proceed?
         label_oauth_client_id: OAuth Client ID
diff --git a/modules/wikis/config/routes.rb b/modules/wikis/config/routes.rb
index 963162be7298..3c46a204401e 100644
--- a/modules/wikis/config/routes.rb
+++ b/modules/wikis/config/routes.rb
@@ -31,6 +31,7 @@
 Rails.application.routes.draw do
   namespace :admin do
     namespace :settings do
+      resource :internal_wiki_provider, controller: "/wikis/admin/internal_wiki_provider", only: %i[show update]
       resources :wiki_providers, controller: "/wikis/admin/wiki_providers", except: [:show] do
         member do
           get :confirm_destroy
diff --git a/modules/wikis/lib/open_project/wikis/engine.rb b/modules/wikis/lib/open_project/wikis/engine.rb
index a8ce614c2cb3..350f335a883c 100644
--- a/modules/wikis/lib/open_project/wikis/engine.rb
+++ b/modules/wikis/lib/open_project/wikis/engine.rb
@@ -94,9 +94,23 @@ class Engine < ::Rails::Engine
       menu :admin_menu,
            :wiki_providers,
            { controller: "/wikis/admin/wiki_providers", action: :index },
-           if: ->(_) { OpenProject::FeatureDecisions.wiki_enhancements_active? },
-           caption: :project_module_wiki_platforms,
+           if: ->(_) { User.current.admin? && OpenProject::FeatureDecisions.wiki_enhancements_active? },
+           caption: :"menus.admin.wikis",
            icon: :book
+
+      menu :admin_menu,
+           :internal_wiki_provider,
+           { controller: "/wikis/admin/internal_wiki_provider", action: :show },
+           parent: :wiki_providers,
+           if: ->(_) { User.current.admin? && OpenProject::FeatureDecisions.wiki_enhancements_active? },
+           caption: :"menus.admin.internal_wiki_provider"
+
+      menu :admin_menu,
+           :external_wiki_providers,
+           { controller: "/wikis/admin/wiki_providers", action: :index },
+           parent: :wiki_providers,
+           if: ->(_) { User.current.admin? && OpenProject::FeatureDecisions.wiki_enhancements_active? },
+           caption: :"menus.admin.external_wiki_providers"
     end
 
     patch_with_namespace :WikiPages, :CreateService
diff --git a/modules/wikis/spec/features/admin/internal_provider_spec.rb b/modules/wikis/spec/features/admin/internal_provider_spec.rb
new file mode 100644
index 000000000000..d3a7c68f6df9
--- /dev/null
+++ b/modules/wikis/spec/features/admin/internal_provider_spec.rb
@@ -0,0 +1,63 @@
+# frozen_string_literal: true
+
+#-- copyright
+# OpenProject is an open source project management software.
+# Copyright (C) the OpenProject GmbH
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License version 3.
+#
+# OpenProject is a fork of ChiliProject, which is a fork of Redmine. The copyright follows:
+# Copyright (C) 2006-2013 Jean-Philippe Lang
+# Copyright (C) 2010-2013 the ChiliProject Team
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 2
+# of the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+#
+# See COPYRIGHT and LICENSE files for more details.
+#++
+
+require "spec_helper"
+
+RSpec.describe "Updating internal wiki provider", :js, :selenium, driver: :firefox_en do
+  shared_let(:admin) { create(:admin, preferences: { time_zone: "Etc/UTC" }) }
+  shared_let(:auth_provider) { create(:oidc_provider) }
+
+  let!(:provider) { create(:internal_wiki_provider, enabled: true) }
+
+  current_user { admin }
+
+  it "can enable and disable the internal provider", :aggregate_failures, with_ee: [:scim_api] do
+    visit admin_settings_internal_wiki_provider_path
+    expect(page).to be_axe_clean.within("#content")
+
+    expect(page).to have_checked_field("Enable the internal OpenProject wiki")
+
+    uncheck "Enable the internal OpenProject wiki"
+    click_on "Save"
+
+    SeleniumHubWaiter.wait
+
+    expect(page).to have_unchecked_field("Enable the internal OpenProject wiki")
+    expect(provider.reload).not_to be_enabled
+
+    check "Enable the internal OpenProject wiki"
+    click_on "Save"
+
+    SeleniumHubWaiter.wait
+
+    expect(page).to have_checked_field("Enable the internal OpenProject wiki")
+    expect(provider.reload).to be_enabled
+  end
+end