diff --git a/ui/scripts/system.js b/ui/scripts/system.js
index 7fb807d4c89..8d8c02c5237 100644
--- a/ui/scripts/system.js
+++ b/ui/scripts/system.js
@@ -14288,6 +14288,7 @@
                                                                     $form.find('.form-item[rel=sockettimeout]').css('display', 'inline-block');
 
                                                                     $form.find('.form-item[rel=createNfsCache]').find('input').attr('checked', 'checked');
+                                                                    $form.find('.form-item[rel=createNfsCache]').find('input').attr('disabled', 'disabled');  //Create NFS staging is required for S3 at this moment. So, disallow user to uncheck "Create NFS Secondary Staging" checkbox
                                                                     $form.find('.form-item[rel=createNfsCache]').css('display', 'inline-block');
                                                                     $form.find('.form-item[rel=nfsCacheZoneid]').css('display', 'inline-block');
                                                                     $form.find('.form-item[rel=nfsCacheNfsServer]').css('display', 'inline-block');