diff --git a/core/modules/system/templates/install-page.html.twig b/core/modules/system/templates/install-page.html.twig
index 24d17fa..c34d716 100644
--- a/core/modules/system/templates/install-page.html.twig
+++ b/core/modules/system/templates/install-page.html.twig
@@ -30,6 +30,7 @@
       {% if title %}
         <h1>{{ title }}</h1>
       {% endif %}
+      {{ page.messages }}
       {{ messages }}
       {{ page.content }}
     </main>
diff --git a/core/modules/system/templates/maintenance-page.html.twig b/core/modules/system/templates/maintenance-page.html.twig
index eaae5ab..8f112f7 100644
--- a/core/modules/system/templates/maintenance-page.html.twig
+++ b/core/modules/system/templates/maintenance-page.html.twig
@@ -43,6 +43,8 @@
 
     {{ page.messages }}
 
+    {{ messages }}
+
     {{ page.content }}
   </main>
 
diff --git a/core/modules/system/templates/page.html.twig b/core/modules/system/templates/page.html.twig
index db232a6..04972ea 100644
--- a/core/modules/system/templates/page.html.twig
+++ b/core/modules/system/templates/page.html.twig
@@ -32,6 +32,7 @@
  * - breadcrumb: The breadcrumb trail for the current page.
  *
  * Page content (in order of occurrence in the default page.html.twig):
+ * - messages: Status and error messages. Should be displayed prominently.
  * - title_prefix: Additional output populated by modules, intended to be
  *   displayed in front of the main title tag that appears in the template.
  * - title: The page title, for use in the actual content.
@@ -50,7 +51,7 @@
  * Regions:
  * - page.header: Items for the header region.
  * - page.highlighted: Items for the highlighted content region.
- * - page.messages: Status and error messages. Should be displayed prominently.
+ * - page.messages: Status messages block can be placed in messages region.
  * - page.help: Dynamic help text, mostly for admin pages.
  * - page.content: The main content of the current page.
  * - page.sidebar_first: Items for the first sidebar.
@@ -106,6 +107,8 @@
 
   {{ page.messages }}
 
+  {{ messages }}
+
   {{ page.help }}
 
   <main role="main">
diff --git a/core/profiles/standard/config/install/block.block.bartik_messages.yml b/core/profiles/standard/config/install/block.block.bartik_messages.yml
index 935f5ea..8445b6b 100644
--- a/core/profiles/standard/config/install/block.block.bartik_messages.yml
+++ b/core/profiles/standard/config/install/block.block.bartik_messages.yml
@@ -3,7 +3,7 @@ theme: bartik
 weight: 0
 status: true
 langcode: en
-region: content
+region: messages
 plugin: system_page_messages_block
 settings:
   visibility: {  }
diff --git a/core/profiles/standard/config/install/block.block.seven_messages.yml b/core/profiles/standard/config/install/block.block.seven_messages.yml
index 47fe61f..5df065f 100644
--- a/core/profiles/standard/config/install/block.block.seven_messages.yml
+++ b/core/profiles/standard/config/install/block.block.seven_messages.yml
@@ -3,7 +3,7 @@ theme: seven
 weight: 0
 status: true
 langcode: en
-region: content
+region: messages
 plugin: system_page_messages_block
 settings:
   visibility: {  }