{"id":6845,"date":"2021-09-30T09:01:24","date_gmt":"2021-09-30T09:01:24","guid":{"rendered":"https:\/\/truehost.co.ke\/support\/?post_type=ht_kb&#038;p=6845"},"modified":"2024-06-07T13:03:02","modified_gmt":"2024-06-07T13:03:02","password":"","slug":"how-to-fix-lets-encrypts-dst-root-ca-expiry-issue","status":"publish","type":"docs","link":"https:\/\/truehost.com\/support\/knowledge-base\/how-to-fix-lets-encrypts-dst-root-ca-expiry-issue\/","title":{"rendered":"How to Fix Lets Encrypt&#8217;s DST Root CA Expiry issue"},"content":{"rendered":"\n<p>On 30th Sept 2021, the DST Root CA X3 certificate used by Let&#8217;s Encrypt expired causing clients some clients to experience SSL certificate expiry errors.<\/p>\n\n\n\n<p>SSL connections fail with the error below<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">The certificate issuer's certificate has expired. Check your system date and time.<\/pre>\n\n\n\n<p>Mail clients will also fail to connect due to invalid SSL chain.<\/p>\n\n\n\n<p>Details on the issue can be found on the link below<\/p>\n\n\n\n<p><a href=\"https:\/\/letsencrypt.org\/docs\/dst-root-ca-x3-expiration-september-2021\/\">https:\/\/letsencrypt.org\/docs\/dst-root-ca-x3-expiration-september-2021\/<\/a><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Fixing the error on cPanel<\/h2>\n\n\n\n<p>In the cPanel hosting, this has already been resolved by our Support Team. In case you still experience any issues, please reach out to our teams via Ticket\/Email, Chat or Call<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Fixing the error in tPanel\/CWP (Uses Centos 7)<\/h2>\n\n\n\n<p>To fix the error in tPanel or CWP running on our VPS, follow the steps below<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">~$ yum -y update ca-certificates<\/pre>\n\n\n\n<p>Once run, you can confirm the updated CA Bundle with the command below<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">~$ rpm -q ca-certificates\nca-certificates-2021.2.50-72.el7_9.noarch<\/pre>\n\n\n\n<p>The update ca-certificates-2021.2.50-72.el7_9.noarch replenished the CA Bundles to new ones. This can be confirmed via the command below<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">~$ rpm -q ca-certificates --changelog | head\n* Tue Sep 14 2021 Bob Relyea &lt;rrelyea@redhat.com> - 2021.2.50-72\n<span class=\"has-inline-color has-luminous-vivid-amber-color\">- Fix expired certificate.<\/span>\n- Removing:\n- # Certificate \"DST Root CA X3\"<\/pre>\n\n\n\n<p>You can then <strong>reissue<\/strong> the SSL to so that a new one with the new chain is generated.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>On 30th Sept 2021, the DST Root CA X3 certificate used by Let&#8217;s Encrypt expired causing clients some clients to experience SSL certificate expiry errors. SSL connections fail with the error below The certificate issuer&#8217;s certificate has expired. Check your system date and time. Mail clients will also fail to connect due to invalid SSL [&hellip;]<\/p>\n","protected":false},"author":4,"featured_media":0,"comment_status":"open","ping_status":"closed","template":"","meta":{"_eb_attr":"","_exactmetrics_skip_tracking":false,"_exactmetrics_sitenote_active":false,"_exactmetrics_sitenote_note":"","_exactmetrics_sitenote_category":0,"footnotes":""},"doc_category":[],"doc_tag":[],"class_list":["post-6845","docs","type-docs","status-publish","hentry"],"year_month":"2026-06","word_count":223,"total_views":0,"reactions":{"happy":0,"normal":0,"sad":0},"author_info":{"name":"w m","author_nicename":"wm","author_url":"https:\/\/truehost.com\/support\/author\/wm\/"},"doc_category_info":[],"doc_tag_info":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>How to Fix Lets Encrypt&#039;s DST Root CA Expiry issue -<\/title>\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.truehost.com\/support\/knowledge-base\/how-to-fix-lets-encrypts-dst-root-ca-expiry-issue\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"How to Fix Lets Encrypt&#039;s DST Root CA Expiry issue -\" \/>\n<meta property=\"og:description\" content=\"On 30th Sept 2021, the DST Root CA X3 certificate used by Let&#8217;s Encrypt expired causing clients some clients to experience SSL certificate expiry errors. 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