diff --git a/src/wp-admin/network/about.php b/src/wp-admin/network/about.php
index 4ad541268a..829fa1beef 100644
--- a/src/wp-admin/network/about.php
+++ b/src/wp-admin/network/about.php
@@ -10,7 +10,4 @@
 /** Load WordPress Administration Bootstrap */
 require_once( dirname( __FILE__ ) . '/admin.php' );
 
-if ( ! is_multisite() )
-	wp_die( __( 'Multisite support is not enabled.' ) );
-
 require( ABSPATH . 'wp-admin/about.php' );
diff --git a/src/wp-admin/network/admin.php b/src/wp-admin/network/admin.php
index 66b8999843..693fa5aa11 100644
--- a/src/wp-admin/network/admin.php
+++ b/src/wp-admin/network/admin.php
@@ -12,8 +12,10 @@ define( 'WP_NETWORK_ADMIN', true );
 /** Load WordPress Administration Bootstrap */
 require_once( dirname( dirname( __FILE__ ) ) . '/admin.php' );
 
-if ( ! is_multisite() )
+// Do not remove this check. It is required by individual network admin pages.
+if ( ! is_multisite() ) {
 	wp_die( __( 'Multisite support is not enabled.' ) );
+}
 
 $redirect_network_admin_request = 0 !== strcasecmp( $current_blog->domain, $current_site->domain ) || 0 !== strcasecmp( $current_blog->path, $current_site->path );
 
diff --git a/src/wp-admin/network/credits.php b/src/wp-admin/network/credits.php
index 3d3ae1496b..75ee6e7337 100644
--- a/src/wp-admin/network/credits.php
+++ b/src/wp-admin/network/credits.php
@@ -10,7 +10,4 @@
 /** Load WordPress Administration Bootstrap */
 require_once( dirname( __FILE__ ) . '/admin.php' );
 
-if ( ! is_multisite() )
-	wp_die( __( 'Multisite support is not enabled.' ) );
-
 require( ABSPATH . 'wp-admin/credits.php' );
diff --git a/src/wp-admin/network/edit.php b/src/wp-admin/network/edit.php
index a5bb19602e..66f1942624 100644
--- a/src/wp-admin/network/edit.php
+++ b/src/wp-admin/network/edit.php
@@ -10,9 +10,6 @@
 /** Load WordPress Administration Bootstrap */
 require_once( dirname( __FILE__ ) . '/admin.php' );
 
-if ( ! is_multisite() )
-	wp_die( __( 'Multisite support is not enabled.' ) );
-
 if ( empty( $_GET['action'] ) ) {
 	wp_redirect( network_admin_url() );
 	exit;
diff --git a/src/wp-admin/network/freedoms.php b/src/wp-admin/network/freedoms.php
index da7f86bd22..9afbe82f34 100644
--- a/src/wp-admin/network/freedoms.php
+++ b/src/wp-admin/network/freedoms.php
@@ -10,7 +10,4 @@
 /** Load WordPress Administration Bootstrap */
 require_once( dirname( __FILE__ ) . '/admin.php' );
 
-if ( ! is_multisite() )
-	wp_die( __( 'Multisite support is not enabled.' ) );
-
 require( ABSPATH . 'wp-admin/freedoms.php' );
diff --git a/src/wp-admin/network/index.php b/src/wp-admin/network/index.php
index 796191f018..ab6f6b4708 100644
--- a/src/wp-admin/network/index.php
+++ b/src/wp-admin/network/index.php
@@ -13,9 +13,6 @@ require_once( dirname( __FILE__ ) . '/admin.php' );
 /** Load WordPress dashboard API */
 require_once( ABSPATH . 'wp-admin/includes/dashboard.php' );
 
-if ( !is_multisite() )
-	wp_die( __( 'Multisite support is not enabled.' ) );
-
 if ( ! current_user_can( 'manage_network' ) )
 	wp_die( __( 'Sorry, you are not allowed to access this page.' ), 403 );
 
diff --git a/src/wp-admin/network/plugin-editor.php b/src/wp-admin/network/plugin-editor.php
index 9af590c45a..7171e7252c 100644
--- a/src/wp-admin/network/plugin-editor.php
+++ b/src/wp-admin/network/plugin-editor.php
@@ -10,7 +10,4 @@
 /** Load WordPress Administration Bootstrap */
 require_once( dirname( __FILE__ ) . '/admin.php' );
 
-if ( ! is_multisite() )
-	wp_die( __( 'Multisite support is not enabled.' ) );
-
 require( ABSPATH . 'wp-admin/plugin-editor.php' );
diff --git a/src/wp-admin/network/plugin-install.php b/src/wp-admin/network/plugin-install.php
index a8a1c17297..26b3b0c867 100644
--- a/src/wp-admin/network/plugin-install.php
+++ b/src/wp-admin/network/plugin-install.php
@@ -13,7 +13,4 @@ if ( isset( $_GET['tab'] ) && ( 'plugin-information' == $_GET['tab'] ) )
 /** Load WordPress Administration Bootstrap */
 require_once( dirname( __FILE__ ) . '/admin.php' );
 
-if ( ! is_multisite() )
-	wp_die( __( 'Multisite support is not enabled.' ) );
-
 require( ABSPATH . 'wp-admin/plugin-install.php' );
diff --git a/src/wp-admin/network/plugins.php b/src/wp-admin/network/plugins.php
index e997060526..56c3debd01 100644
--- a/src/wp-admin/network/plugins.php
+++ b/src/wp-admin/network/plugins.php
@@ -10,7 +10,4 @@
 /** Load WordPress Administration Bootstrap */
 require_once( dirname( __FILE__ ) . '/admin.php' );
 
-if ( ! is_multisite() )
-	wp_die( __( 'Multisite support is not enabled.' ) );
-
 require( ABSPATH . 'wp-admin/plugins.php' );
diff --git a/src/wp-admin/network/profile.php b/src/wp-admin/network/profile.php
index df6b782711..240ef980a4 100644
--- a/src/wp-admin/network/profile.php
+++ b/src/wp-admin/network/profile.php
@@ -10,7 +10,4 @@
 /** Load WordPress Administration Bootstrap */
 require_once( dirname( __FILE__ ) . '/admin.php' );
 
-if ( ! is_multisite() )
-	wp_die( __( 'Multisite support is not enabled.' ) );
-
 require( ABSPATH . 'wp-admin/profile.php' );
diff --git a/src/wp-admin/network/settings.php b/src/wp-admin/network/settings.php
index d1af88b1a1..80c6c33382 100644
--- a/src/wp-admin/network/settings.php
+++ b/src/wp-admin/network/settings.php
@@ -13,9 +13,6 @@ require_once( dirname( __FILE__ ) . '/admin.php' );
 /** WordPress Translation Install API */
 require_once( ABSPATH . 'wp-admin/includes/translation-install.php' );
 
-if ( ! is_multisite() )
-	wp_die( __( 'Multisite support is not enabled.' ) );
-
 if ( ! current_user_can( 'manage_network_options' ) )
 	wp_die( __( 'Sorry, you are not allowed to access this page.' ), 403 );
 
diff --git a/src/wp-admin/network/setup.php b/src/wp-admin/network/setup.php
index 35938990e6..9a642bbb92 100644
--- a/src/wp-admin/network/setup.php
+++ b/src/wp-admin/network/setup.php
@@ -10,7 +10,4 @@
 /** Load WordPress Administration Bootstrap */
 require_once( dirname( __FILE__ ) . '/admin.php' );
 
-if ( ! is_multisite() )
-	wp_die( __( 'Multisite support is not enabled.' ) );
-
 require( ABSPATH . 'wp-admin/network.php' );
diff --git a/src/wp-admin/network/site-info.php b/src/wp-admin/network/site-info.php
index ecf425eee8..405e63f2c5 100644
--- a/src/wp-admin/network/site-info.php
+++ b/src/wp-admin/network/site-info.php
@@ -10,10 +10,6 @@
 /** Load WordPress Administration Bootstrap */
 require_once( dirname( __FILE__ ) . '/admin.php' );
 
-if ( ! is_multisite() ) {
-	wp_die( __( 'Multisite support is not enabled.' ) );
-}
-
 if ( ! current_user_can( 'manage_sites' ) ) {
 	wp_die( __( 'Sorry, you are not allowed to edit this site.' ) );
 }
diff --git a/src/wp-admin/network/site-new.php b/src/wp-admin/network/site-new.php
index 4dd36392d4..a44064caea 100644
--- a/src/wp-admin/network/site-new.php
+++ b/src/wp-admin/network/site-new.php
@@ -13,9 +13,6 @@ require_once( dirname( __FILE__ ) . '/admin.php' );
 /** WordPress Translation Install API */
 require_once( ABSPATH . 'wp-admin/includes/translation-install.php' );
 
-if ( ! is_multisite() )
-	wp_die( __( 'Multisite support is not enabled.' ) );
-
 if ( ! current_user_can( 'manage_sites' ) )
 	wp_die( __( 'Sorry, you are not allowed to add sites to this network.' ) );
 
diff --git a/src/wp-admin/network/site-settings.php b/src/wp-admin/network/site-settings.php
index 10a64025bc..8e8cd242fe 100644
--- a/src/wp-admin/network/site-settings.php
+++ b/src/wp-admin/network/site-settings.php
@@ -10,9 +10,6 @@
 /** Load WordPress Administration Bootstrap */
 require_once( dirname( __FILE__ ) . '/admin.php' );
 
-if ( ! is_multisite() )
-	wp_die( __( 'Multisite support is not enabled.' ) );
-
 if ( ! current_user_can( 'manage_sites' ) )
 	wp_die( __( 'Sorry, you are not allowed to edit this site.' ) );
 
diff --git a/src/wp-admin/network/site-themes.php b/src/wp-admin/network/site-themes.php
index 91355c394d..ec2b1d851c 100644
--- a/src/wp-admin/network/site-themes.php
+++ b/src/wp-admin/network/site-themes.php
@@ -10,9 +10,6 @@
 /** Load WordPress Administration Bootstrap */
 require_once( dirname( __FILE__ ) . '/admin.php' );
 
-if ( ! is_multisite() )
-	wp_die( __( 'Multisite support is not enabled.' ) );
-
 if ( ! current_user_can( 'manage_sites' ) )
 	wp_die( __( 'Sorry, you are not allowed to manage themes for this site.' ) );
 
diff --git a/src/wp-admin/network/site-users.php b/src/wp-admin/network/site-users.php
index 40a17d6053..215fb131fc 100644
--- a/src/wp-admin/network/site-users.php
+++ b/src/wp-admin/network/site-users.php
@@ -10,9 +10,6 @@
 /** Load WordPress Administration Bootstrap */
 require_once( dirname( __FILE__ ) . '/admin.php' );
 
-if ( ! is_multisite() )
-	wp_die( __( 'Multisite support is not enabled.' ) );
-
 if ( ! current_user_can('manage_sites') )
 	wp_die(__('Sorry, you are not allowed to edit this site.'));
 
diff --git a/src/wp-admin/network/sites.php b/src/wp-admin/network/sites.php
index 9b3343c89b..a272229026 100644
--- a/src/wp-admin/network/sites.php
+++ b/src/wp-admin/network/sites.php
@@ -10,9 +10,6 @@
 /** Load WordPress Administration Bootstrap */
 require_once( dirname( __FILE__ ) . '/admin.php' );
 
-if ( ! is_multisite() )
-	wp_die( __( 'Multisite support is not enabled.' ) );
-
 if ( ! current_user_can( 'manage_sites' ) )
 	wp_die( __( 'Sorry, you are not allowed to access this page.' ), 403 );
 
diff --git a/src/wp-admin/network/theme-editor.php b/src/wp-admin/network/theme-editor.php
index 621c506c26..c28c9675cc 100644
--- a/src/wp-admin/network/theme-editor.php
+++ b/src/wp-admin/network/theme-editor.php
@@ -10,7 +10,4 @@
 /** Load WordPress Administration Bootstrap */
 require_once( dirname( __FILE__ ) . '/admin.php' );
 
-if ( ! is_multisite() )
-	wp_die( __( 'Multisite support is not enabled.' ) );
-
 require( ABSPATH . 'wp-admin/theme-editor.php' );
diff --git a/src/wp-admin/network/theme-install.php b/src/wp-admin/network/theme-install.php
index c666eaff1c..4d4ee5ce86 100644
--- a/src/wp-admin/network/theme-install.php
+++ b/src/wp-admin/network/theme-install.php
@@ -13,7 +13,4 @@ if ( isset( $_GET['tab'] ) && ( 'theme-information' == $_GET['tab'] ) )
 /** Load WordPress Administration Bootstrap */
 require_once( dirname( __FILE__ ) . '/admin.php' );
 
-if ( ! is_multisite() )
-	wp_die( __( 'Multisite support is not enabled.' ) );
-
 require( ABSPATH . 'wp-admin/theme-install.php' );
diff --git a/src/wp-admin/network/themes.php b/src/wp-admin/network/themes.php
index 40530ba2bd..68b7c77ed3 100644
--- a/src/wp-admin/network/themes.php
+++ b/src/wp-admin/network/themes.php
@@ -10,9 +10,6 @@
 /** Load WordPress Administration Bootstrap */
 require_once( dirname( __FILE__ ) . '/admin.php' );
 
-if ( ! is_multisite() )
-	wp_die( __( 'Multisite support is not enabled.' ) );
-
 if ( !current_user_can('manage_network_themes') )
 	wp_die( __( 'Sorry, you are not allowed to manage network themes.' ) );
 
diff --git a/src/wp-admin/network/update-core.php b/src/wp-admin/network/update-core.php
index 3d2825a958..55f2aca32a 100644
--- a/src/wp-admin/network/update-core.php
+++ b/src/wp-admin/network/update-core.php
@@ -10,7 +10,4 @@
 /** Load WordPress Administration Bootstrap */
 require_once( dirname( __FILE__ ) . '/admin.php' );
 
-if ( ! is_multisite() )
-	wp_die( __( 'Multisite support is not enabled.' ) );
-
 require( ABSPATH . 'wp-admin/update-core.php' );
diff --git a/src/wp-admin/network/update.php b/src/wp-admin/network/update.php
index c90098b25b..db63968d10 100644
--- a/src/wp-admin/network/update.php
+++ b/src/wp-admin/network/update.php
@@ -13,7 +13,4 @@ if ( isset( $_GET['action'] ) && in_array( $_GET['action'], array( 'update-selec
 /** Load WordPress Administration Bootstrap */
 require_once( dirname( __FILE__ ) . '/admin.php' );
 
-if ( ! is_multisite() )
-	wp_die( __( 'Multisite support is not enabled.' ) );
-
 require( ABSPATH . 'wp-admin/update.php' );
diff --git a/src/wp-admin/network/upgrade.php b/src/wp-admin/network/upgrade.php
index ee8fd57545..f184a8c3e6 100644
--- a/src/wp-admin/network/upgrade.php
+++ b/src/wp-admin/network/upgrade.php
@@ -10,9 +10,6 @@
 /** Load WordPress Administration Bootstrap */
 require_once( dirname( __FILE__ ) . '/admin.php' );
 
-if ( ! is_multisite() )
-	wp_die( __( 'Multisite support is not enabled.' ) );
-
 require_once( ABSPATH . WPINC . '/http.php' );
 
 $title = __( 'Upgrade Network' );
diff --git a/src/wp-admin/network/user-edit.php b/src/wp-admin/network/user-edit.php
index effaaf8a0e..ef3c2720f1 100644
--- a/src/wp-admin/network/user-edit.php
+++ b/src/wp-admin/network/user-edit.php
@@ -10,7 +10,4 @@
 /** Load WordPress Administration Bootstrap */
 require_once( dirname( __FILE__ ) . '/admin.php' );
 
-if ( ! is_multisite() )
-	wp_die( __( 'Multisite support is not enabled.' ) );
-
 require( ABSPATH . 'wp-admin/user-edit.php' );
diff --git a/src/wp-admin/network/user-new.php b/src/wp-admin/network/user-new.php
index fae3fcb003..1dc6083dc9 100644
--- a/src/wp-admin/network/user-new.php
+++ b/src/wp-admin/network/user-new.php
@@ -10,9 +10,6 @@
 /** Load WordPress Administration Bootstrap */
 require_once( dirname( __FILE__ ) . '/admin.php' );
 
-if ( ! is_multisite() )
-	wp_die( __( 'Multisite support is not enabled.' ) );
-
 if ( ! current_user_can('create_users') )
 	wp_die(__('Sorry, you are not allowed to add users to this network.'));
 
diff --git a/src/wp-admin/network/users.php b/src/wp-admin/network/users.php
index 437f76538c..0d74664a2b 100644
--- a/src/wp-admin/network/users.php
+++ b/src/wp-admin/network/users.php
@@ -10,9 +10,6 @@
 /** Load WordPress Administration Bootstrap */
 require_once( dirname( __FILE__ ) . '/admin.php' );
 
-if ( ! is_multisite() )
-	wp_die( __( 'Multisite support is not enabled.' ) );
-
 if ( ! current_user_can( 'manage_network_users' ) )
 	wp_die( __( 'Sorry, you are not allowed to access this page.' ), 403 );