diff --git src/bp-core/bp-core-admin.php src/bp-core/bp-core-admin.php
index 3a7a76d..5b34019 100644
--- src/bp-core/bp-core-admin.php
+++ src/bp-core/bp-core-admin.php
@@ -143,6 +143,9 @@ class BP_Admin {
 		// Add menu item to settings menu.
 		add_action( bp_core_admin_hook(),       array( $this, 'admin_menus' ), 5 );
 
+		// Add Menu for the Customizer Email
+		add_action( 'admin_menu', array( $this, 'customizer_menu' ) );
+
 		// Enqueue all admin JS and CSS.
 		add_action( 'bp_admin_enqueue_scripts', array( $this, 'admin_register_styles' ), 1 );
 		add_action( 'bp_admin_enqueue_scripts', array( $this, 'admin_register_scripts' ), 1 );
@@ -299,17 +302,30 @@ class BP_Admin {
 			'bp_core_admin_tools'
 		);
 
-		$hooks[] = add_theme_page(
+		foreach( $hooks as $hook ) {
+			add_action( "admin_head-$hook", 'bp_core_modify_admin_menu_highlight' );
+		}
+	}
+
+	/**
+	 * Add the navigational elements for the customizer
+	 *
+	 * @since 2.5.0
+	 */
+	public function customizer_menu() {
+		// Only add the customizer menu for the root blog
+		if ( ! bp_is_root_blog() ) {
+			return;
+		}
+
+		// Emails
+		add_theme_page(
 			_x( 'Emails', 'screen heading', 'buddypress' ),
 			_x( 'Emails', 'screen heading', 'buddypress' ),
 			$this->capability,
 			'bp-emails-customizer-redirect',
 			'bp_email_redirect_to_customizer'
 		);
-
-		foreach( $hooks as $hook ) {
-			add_action( "admin_head-$hook", 'bp_core_modify_admin_menu_highlight' );
-		}
 	}
 
 	/**
diff --git src/bp-core/bp-core-loader.php src/bp-core/bp-core-loader.php
index 5500e0c..8ce52c7 100644
--- src/bp-core/bp-core-loader.php
+++ src/bp-core/bp-core-loader.php
@@ -292,23 +292,25 @@ class BP_Core extends BP_Component {
 	 * @since BuddyPress (2.4.0)
 	 */
 	public function register_post_types() {
-
-		// Emails
-		register_post_type(
-			bp_get_email_post_type(),
-			apply_filters( 'bp_register_email_post_type', array(
-				'description'       => _x( 'BuddyPress emails', 'email post type description', 'buddypress' ),
-				'labels'            => bp_get_email_post_type_labels(),
-				'menu_icon'         => 'dashicons-email',
-				'public'            => false,
-				'publicly_queryable' => bp_current_user_can( 'bp_moderate' ),
-				'query_var'         => false,
-				'rewrite'           => false,
-				'show_in_admin_bar' => false,
-				'show_ui'           => bp_current_user_can( 'bp_moderate' ),
-				'supports'          => bp_get_email_post_type_supports(),
-			) )
-		);
+		// Make sure BuddyPress Post Types are only registered for the root blog
+		if ( bp_is_root_blog() ) {
+			// Emails
+			register_post_type(
+				bp_get_email_post_type(),
+				apply_filters( 'bp_register_email_post_type', array(
+					'description'       => _x( 'BuddyPress emails', 'email post type description', 'buddypress' ),
+					'labels'            => bp_get_email_post_type_labels(),
+					'menu_icon'         => 'dashicons-email',
+					'public'            => false,
+					'publicly_queryable' => bp_current_user_can( 'bp_moderate' ),
+					'query_var'         => false,
+					'rewrite'           => false,
+					'show_in_admin_bar' => false,
+					'show_ui'           => bp_current_user_can( 'bp_moderate' ),
+					'supports'          => bp_get_email_post_type_supports(),
+				) )
+			);
+		}
 
 		parent::register_post_types();
 	}