Index: src/wp-admin/network/upgrade.php
===================================================================
--- src/wp-admin/network/upgrade.php	(revision 34818)
+++ src/wp-admin/network/upgrade.php	(working copy)
@@ -60,6 +60,8 @@
 			echo '<p>' . __( 'All done!' ) . '</p>';
 			break;
 		}
+
+		$auto_next = true;
 		echo "<ul>";
 		foreach ( (array) $blogs as $details ) {
 			switch_to_blog( $details['blog_id'] );
@@ -71,12 +73,13 @@
 
 			$response = wp_remote_get( $upgrade_url, array( 'timeout' => 120, 'httpversion' => '1.1' ) );
 			if ( is_wp_error( $response ) ) {
-				wp_die( sprintf(
+				echo sprintf(
 					/* translators: 1: site url, 2: server error message */
 					__( 'Warning! Problem updating %1$s. Your server may not be able to connect to sites running on it. Error message: %2$s' ),
 					$siteurl,
 					'<em>' . $response->get_error_message() . '</em>'
-				) );
+				);
+				$auto_next = false;
 			}
 
 			/**
@@ -98,6 +101,7 @@
 		}
 		echo "</ul>";
 		?><p><?php _e( 'If your browser doesn&#8217;t start loading the next page automatically, click this link:' ); ?> <a class="button" href="upgrade.php?action=upgrade&amp;n=<?php echo ($n + 5) ?>"><?php _e("Next Sites"); ?></a></p>
+		<?php if ( $auto_next ) : ?>
 		<script type="text/javascript">
 		<!--
 		function nextpage() {
@@ -106,6 +110,7 @@
 		setTimeout( "nextpage()", 250 );
 		//-->
 		</script><?php
+		endif;
 	break;
 	case 'show':
 	default: