{"id":3111,"date":"2014-02-19T18:26:11","date_gmt":"2014-02-19T18:26:11","guid":{"rendered":"https:\/\/www.inmotionhosting.com\/support\/2014\/02\/19\/too-many-simultaneous-connections\/"},"modified":"2026-01-22T09:47:39","modified_gmt":"2026-01-22T14:47:39","slug":"too-many-simultaneous-connections","status":"publish","type":"post","link":"https:\/\/www.inmotionhosting.com\/support\/website\/ftp\/too-many-simultaneous-connections\/","title":{"rendered":"FTP Error &#8211; 421 Too Many Connections"},"content":{"rendered":"<p>In this tutorial, we will show you how to view and drop idle FTP connections in cPanel and limit your FTP connections in FileZilla. These steps should help fix or avoid the 421 Too many connections error.<\/p>\n\n\n<div class=\"imh-youtube-embed\">\n\t\t\t<iframe src=\"https:\/\/www.youtube.com\/embed\/TIQNN0qso-o\" title=\"How to Fix the FTP Error - 421 Too Many Connections\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe>\n\t\t\t<script type=\"application\/ld+json\">{\"@context\":\"https:\/\/schema.org\",\"@type\":\"VideoObject\",\"name\":\"How to Fix the FTP Error - 421 Too Many Connections\",\"description\":\"Learn how to fix the error that occurs when the number connections from FTP clients exceeds the server&#039;s limit.\",\"uploadDate\":\"2017-12-12\",\"thumbnailUrl\":\"https:\/\/img.youtube.com\/vi\/TIQNN0qso-o\/hqdefault.jpg\"}<\/script>\n\t\t<\/div>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"idle\">Idle FTP Connections<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"what-is\">What is \/ causes an idle FTP connection?<\/h3>\n\n\n\n<p>Idle FTP connections are caused when an FTP client opens multiple connections without closing the previous ones, or due to an incorrect setting.<\/p>\n\n\n\n<p>With <a href=\"https:\/\/www.inmotionhosting.com\/vps-hosting\">VPS<\/a>, and <a href=\"https:\/\/www.inmotionhosting.com\/dedicated-servers\">Dedicated hosting<\/a> plans you can modify the number of simultaneous connections allowed in their WHM and the default setting is usually 8 or 10. Increasing this limit will prevent the error messages that we\u2019ll review later in this tutorial. Our <a href=\"https:\/\/www.inmotionhosting.com\/shared-hosting\">Shared plans<\/a> and <a href=\"https:\/\/www.inmotionhosting.com\/reseller-hosting\">Reseller hosting<\/a> plans allow up to <strong>8 simultaneous<\/strong> FTP connections from 1 IP address at a time, but you cannot raise this limit.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"525\" height=\"124\" src=\"https:\/\/www.inmotionhosting.com\/support\/wp-content\/uploads\/2021\/11\/ftp_ftp-connections-error.png\" class=\"optimized-lcp-image\" alt=\"\" loading=\"eager\" fetchpriority=\"high\" sizes=\"(max-width: 768px) 100vw, 768px\" srcset=\"https:\/\/www.inmotionhosting.com\/support\/wp-content\/uploads\/2021\/11\/ftp_ftp-connections-error.png 525w, https:\/\/www.inmotionhosting.com\/support\/wp-content\/uploads\/2021\/11\/ftp_ftp-connections-error-300x71.png 300w\"><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"response\">Response: 421 Too many connections (8) from this IP<\/h3>\n\n\n\n<p>If your FTP client is using more than 8 connections at the same time, you\u2019ll get an error message similar to this:<\/p>\n\n\n\n<p><code>Response: 421 Too many connections (8) from this IP Error: Could not connect to server<\/code><\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"view-close\">Viewing \/ Closing Idle Connections in cPanel<\/h2>\n\n\n\n<p>On a <strong>Shared Hosting Plan<\/strong>, there is currently no direct way to access cPanel\u2019s FTP Connections tool and manually disconnect extra connections. If you\u2019re having trouble with a particular user, you can always <a href=\"https:\/\/www.inmotionhosting.com\/support\/edu\/cpanel\/create-delete-account\/\">delete and recreate<\/a> an FTP account with a different password, <a href=\"https:\/\/www.inmotionhosting.com\/support\/edu\/cpanel\/resetting-your-ftp-password-in-cpanel\/\">change an FTP password<\/a>, or <a href=\"https:\/\/www.inmotionhosting.com\/support\/amp\/how-to-get-great-technical-support\/\">get in touch with our 24\/7 Support Staff<\/a> to help you resolve the issue.<\/p>\n\n\n\n<ol class=\"wp-block-list article_list\">\n<li><a href=\"https:\/\/www.inmotionhosting.com\/support\/edu\/cpanel\/how-to-log-into-cpanel\/\">Login to cPanel<\/a> on your <strong>VPS<\/strong> or <strong>Dedicated Server<\/strong> hosting account.<\/li>\n\n\n\n<li>Click on <strong>FTP Connections<\/strong> in the <em>Files<\/em> section.<br><img loading=\"lazy\" decoding=\"async\" width=\"550\" height=\"190\" class=\"wp-image-91351\" style=\"width: 550px;\" src=\"https:\/\/www.inmotionhosting.com\/support\/wp-content\/uploads\/2014\/02\/ftpConnectionsIcon.png\" alt=\"ftp connections under Files in cPanel\" srcset=\"https:\/\/www.inmotionhosting.com\/support\/wp-content\/uploads\/2014\/02\/ftpConnectionsIcon.png 908w, https:\/\/www.inmotionhosting.com\/support\/wp-content\/uploads\/2014\/02\/ftpConnectionsIcon-300x104.png 300w, https:\/\/www.inmotionhosting.com\/support\/wp-content\/uploads\/2014\/02\/ftpConnectionsIcon-768x266.png 768w\" sizes=\"auto, (min-width: 1360px) 876px, (min-width: 960px) calc(61.58vw + 51px), calc(100vw - 80px)\" \/> <\/li>\n\n\n\n<li>You will then see a list of all your current FTP connections. Click the <strong>Disconnect link<\/strong> in the <em>Actions<\/em> column.<br><a rel=\"lightbox-0\" href=\"\/support\/wp-content\/uploads\/2014\/02\/ftp_ftp-connections-table.png\"><img loading=\"lazy\" decoding=\"async\" width=\"916\" height=\"702\" class=\"std_ss size-full wp-image-13312\" src=\"https:\/\/www.inmotionhosting.com\/support\/wp-content\/uploads\/2014\/02\/ftp_ftp-connections-table.png\" alt=\"\" srcset=\"https:\/\/www.inmotionhosting.com\/support\/wp-content\/uploads\/2014\/02\/ftp_ftp-connections-table.png 916w, https:\/\/www.inmotionhosting.com\/support\/wp-content\/uploads\/2014\/02\/ftp_ftp-connections-table-300x230.png 300w, https:\/\/www.inmotionhosting.com\/support\/wp-content\/uploads\/2014\/02\/ftp_ftp-connections-table-768x589.png 768w\" sizes=\"auto, (min-width: 1360px) 876px, (min-width: 960px) calc(61.58vw + 51px), calc(100vw - 80px)\" \/><\/a> <\/li>\n\n\n\n<li>You will see a message similar to \u201c<em>Are you sure you want to disconnect testuser@example.com FTP user?<\/em>.\u201d Click <strong>Disconnect<\/strong> to proceed.<br><a rel=\"lightbox-0\" href=\"\/support\/wp-content\/uploads\/2014\/02\/ftp_ftp-connections-disconnect.png\"><img loading=\"lazy\" decoding=\"async\" width=\"647\" height=\"271\" class=\"std_ss size-full wp-image-13313\" src=\"https:\/\/www.inmotionhosting.com\/support\/wp-content\/uploads\/2014\/02\/ftp_ftp-connections-disconnect.png\" alt=\"\" srcset=\"https:\/\/www.inmotionhosting.com\/support\/wp-content\/uploads\/2014\/02\/ftp_ftp-connections-disconnect.png 647w, https:\/\/www.inmotionhosting.com\/support\/wp-content\/uploads\/2014\/02\/ftp_ftp-connections-disconnect-300x126.png 300w\" sizes=\"auto, (min-width: 1360px) 876px, (min-width: 960px) calc(61.58vw + 51px), calc(100vw - 80px)\" \/><\/a> <\/li>\n\n\n\n<li>You are finished when you see a message like this: \u201c<em>The FTP session with PID 27510 was terminated<\/em>.\u201d<a name=\"set-connections\"><\/a><\/li>\n<\/ol>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"set-connections\">Limiting Simultaneous Connections in FileZilla<\/h2>\n\n\n\n<ol class=\"wp-block-list article_list\">\n<li>Open <a href=\"https:\/\/www.inmotionhosting.com\/support\/website\/ftp\/configuring-your-site-in-filezilla\/\">FileZilla<\/a>.<\/li>\n\n\n\n<li>Access the <strong>Site Manager<\/strong>.<br><a rel=\"lightbox-0\" href=\"\/support\/wp-content\/uploads\/2014\/02\/ftp_limit-ftp-connections-1.png\"><img loading=\"lazy\" decoding=\"async\" title=\"view of the filezilla ftp site manager\" width=\"397\" height=\"300\" class=\"std_ss size-full wp-image-13314\" src=\"https:\/\/www.inmotionhosting.com\/support\/wp-content\/uploads\/2014\/02\/ftp_limit-ftp-connections-1.png\" alt=\"site manager in filezilla\" srcset=\"https:\/\/www.inmotionhosting.com\/support\/wp-content\/uploads\/2014\/02\/ftp_limit-ftp-connections-1.png 397w, https:\/\/www.inmotionhosting.com\/support\/wp-content\/uploads\/2014\/02\/ftp_limit-ftp-connections-1-300x227.png 300w\" sizes=\"auto, (min-width: 1360px) 876px, (min-width: 960px) calc(61.58vw + 51px), calc(100vw - 80px)\" \/><\/a> <div style=\"clear: both;\"><\/div><\/li>\n\n\n\n<li>Click your site, then select the <strong>Transfer Settings<\/strong> tab.<br><a rel=\"lightbox-0\" href=\"\/support\/wp-content\/uploads\/2014\/02\/ftp_limit-ftp-connections-2.png\"><img loading=\"lazy\" decoding=\"async\" width=\"519\" height=\"300\" class=\"std_ss size-full wp-image-13315\" src=\"https:\/\/www.inmotionhosting.com\/support\/wp-content\/uploads\/2014\/02\/ftp_limit-ftp-connections-2.png\" alt=\"\" srcset=\"https:\/\/www.inmotionhosting.com\/support\/wp-content\/uploads\/2014\/02\/ftp_limit-ftp-connections-2.png 519w, https:\/\/www.inmotionhosting.com\/support\/wp-content\/uploads\/2014\/02\/ftp_limit-ftp-connections-2-300x173.png 300w\" sizes=\"auto, (min-width: 1360px) 876px, (min-width: 960px) calc(61.58vw + 51px), calc(100vw - 80px)\" \/><\/a> <div style=\"clear: both;\"><\/div><\/li>\n\n\n\n<li>Check the box for <strong>Limit number of simultaneous connections<\/strong> and set the <em>Maximum number of connections<\/em> to <strong>8<\/strong>.<br><a rel=\"lightbox-0\" href=\"\/support\/wp-content\/uploads\/2014\/02\/ftp_limit-ftp-connections-3.png\"><img loading=\"lazy\" decoding=\"async\" width=\"397\" height=\"189\" class=\"std_ss size-full wp-image-13316\" src=\"https:\/\/www.inmotionhosting.com\/support\/wp-content\/uploads\/2014\/02\/ftp_limit-ftp-connections-3.png\" alt=\"\" srcset=\"https:\/\/www.inmotionhosting.com\/support\/wp-content\/uploads\/2014\/02\/ftp_limit-ftp-connections-3.png 397w, https:\/\/www.inmotionhosting.com\/support\/wp-content\/uploads\/2014\/02\/ftp_limit-ftp-connections-3-300x143.png 300w\" sizes=\"auto, (min-width: 1360px) 876px, (min-width: 960px) calc(61.58vw + 51px), calc(100vw - 80px)\" \/><\/a> <div style=\"clear: both;\"><\/div><\/li>\n\n\n\n<li>Click <strong>OK<\/strong>. Now when you are using FileZilla, it will <em>not<\/em> allow you to go over your limitation of 8 simultaneous FTP connections.<\/li>\n<\/ol>\n\n\n\n<p>Congratulations, now you know how to <strong>drop idle FTP connections<\/strong> in cPanel and <strong>limit your FTP connections<\/strong> in FileZilla. We also have helpful guides on how to <a href=\"https:\/\/www.inmotionhosting.com\/support\/website\/ftp\/enable-filezilla-logging\/\">Enable Logging in FileZilla<\/a>, <a href=\"https:\/\/www.inmotionhosting.com\/support\/website\/error-numbers\/troubleshoot-filezilla-error-logs\/\">Troubleshooting FileZilla Error Logs<\/a>, and <a href=\"https:\/\/www.inmotionhosting.com\/support\/website\/ftp\/managing-your-files-in-filezilla\/\">Managing your files in FileZilla<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In this tutorial, we will show you how to view and drop idle FTP connections in cPanel and limit your FTP connections in FileZilla. These steps should help fix or avoid the 421 Too many connections error. Idle FTP Connections What is \/ causes an idle FTP connection? Idle FTP connections are caused when an<a class=\"moretag\" href=\"https:\/\/www.inmotionhosting.com\/support\/website\/ftp\/too-many-simultaneous-connections\/\"> Read More ><\/a><\/p>\n","protected":false},"author":57014,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[4314],"tags":[],"class_list":["post-3111","post","type-post","status-publish","format-standard","hentry","category-ftp"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.1.1 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>FTP Error 421 Too Many Connections | InMotion Hosting<\/title>\n<meta name=\"description\" content=\"Learn how to fix the 421 too many connections error by managing your simultaneous FTP connections in FileZilla and cPanel.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.inmotionhosting.com\/support\/website\/ftp\/too-many-simultaneous-connections\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"FTP Error 421 Too Many Connections | InMotion Hosting\" \/>\n<meta property=\"og:description\" content=\"Learn how to fix the 421 too many connections error by managing your simultaneous FTP connections in FileZilla and cPanel.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.inmotionhosting.com\/support\/website\/ftp\/too-many-simultaneous-connections\/\" \/>\n<meta property=\"og:site_name\" content=\"InMotion Hosting Support Center\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/inmotionhosting\/\" \/>\n<meta property=\"article:published_time\" content=\"2014-02-19T18:26:11+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-01-22T14:47:39+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.inmotionhosting.com\/support\/wp-content\/uploads\/2021\/11\/ftp_ftp-connections-error.png\" \/>\n\t<meta property=\"og:image:width\" content=\"525\" \/>\n\t<meta property=\"og:image:height\" content=\"124\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"author\" content=\"InMotion Hosting Contributor\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@https:\/\/twitter.com\/InMotionHosting\" \/>\n<meta name=\"twitter:site\" content=\"@InMotionHosting\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"InMotion Hosting Contributor\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"4 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/www.inmotionhosting.com\/support\/website\/ftp\/too-many-simultaneous-connections\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.inmotionhosting.com\/support\/website\/ftp\/too-many-simultaneous-connections\/\"},\"author\":{\"name\":\"InMotion Hosting Contributor\",\"@id\":\"https:\/\/www.inmotionhosting.com\/support\/#\/schema\/person\/f9a4fc454cd1df128ee8e898d30d4644\"},\"headline\":\"FTP Error &#8211; 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