{"id":22422,"date":"2025-03-26T11:27:59","date_gmt":"2025-03-26T03:27:59","guid":{"rendered":"https:\/\/cciedump.spoto.net\/blog\/?p=22422"},"modified":"2025-03-26T11:28:03","modified_gmt":"2025-03-26T03:28:03","slug":"resolving-the-a-root-certificate-for-fortinet-is-required-but-isn-t-installed-error-from-ai","status":"publish","type":"post","link":"https:\/\/cciedump.spoto.net\/blog\/resolving-the-a-root-certificate-for-fortinet-is-required-but-isn-t-installed-error-from-ai_22422.html","title":{"rendered":"Resolving the \u201cA root certificate for Fortinet is required but isn\u2019t installed\u201d Error"},"content":{"rendered":"\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_17 counter-hierarchy counter-decimal ez-toc-light-blue\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" style=\"display: none;\"><i class=\"ez-toc-glyphicon ez-toc-icon-toggle\"><\/i><\/a><\/span><\/div>\n<nav><ul class=\"ez-toc-list ez-toc-list-level-1\"><li class=\"ez-toc-page-1 ez-toc-heading-level-2\"><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/cciedump.spoto.net\/blog\/resolving-the-a-root-certificate-for-fortinet-is-required-but-isn-t-installed-error-from-ai_22422.html\/#Introduction\" title=\"Introduction\">Introduction<\/a><\/li><li class=\"ez-toc-page-1 ez-toc-heading-level-2\"><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/cciedump.spoto.net\/blog\/resolving-the-a-root-certificate-for-fortinet-is-required-but-isn-t-installed-error-from-ai_22422.html\/#Understanding_the_Error_Message\" title=\"Understanding the Error Message\">Understanding the Error Message<\/a><ul class=\"ez-toc-list-level-3\"><li class=\"ez-toc-heading-level-3\"><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/cciedump.spoto.net\/blog\/resolving-the-a-root-certificate-for-fortinet-is-required-but-isn-t-installed-error-from-ai_22422.html\/#What_Is_a_Root_Certificate\" title=\"What Is a Root Certificate?\">What Is a Root Certificate?<\/a><\/li><li class=\"ez-toc-page-1 ez-toc-heading-level-3\"><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/cciedump.spoto.net\/blog\/resolving-the-a-root-certificate-for-fortinet-is-required-but-isn-t-installed-error-from-ai_22422.html\/#How_Fortinet_Uses_SSL_Inspection\" title=\"How Fortinet Uses SSL Inspection\">How Fortinet Uses SSL Inspection<\/a><\/li><\/ul><\/li><li class=\"ez-toc-page-1 ez-toc-heading-level-2\"><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/cciedump.spoto.net\/blog\/resolving-the-a-root-certificate-for-fortinet-is-required-but-isn-t-installed-error-from-ai_22422.html\/#Troubleshooting_the_Issue\" title=\"Troubleshooting the Issue\">Troubleshooting the Issue<\/a><ul class=\"ez-toc-list-level-3\"><li class=\"ez-toc-heading-level-3\"><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/cciedump.spoto.net\/blog\/resolving-the-a-root-certificate-for-fortinet-is-required-but-isn-t-installed-error-from-ai_22422.html\/#Step_1_Verify_Fortinet_Configuration\" title=\"Step 1: Verify Fortinet Configuration\">Step 1: Verify Fortinet Configuration<\/a><\/li><li class=\"ez-toc-page-1 ez-toc-heading-level-3\"><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/cciedump.spoto.net\/blog\/resolving-the-a-root-certificate-for-fortinet-is-required-but-isn-t-installed-error-from-ai_22422.html\/#Step_2_Download_the_Fortinet_Root_Certificate\" title=\"Step 2: Download the Fortinet Root Certificate\">Step 2: Download the Fortinet Root Certificate<\/a><\/li><li class=\"ez-toc-page-1 ez-toc-heading-level-3\"><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/cciedump.spoto.net\/blog\/resolving-the-a-root-certificate-for-fortinet-is-required-but-isn-t-installed-error-from-ai_22422.html\/#Step_3_Install_the_Certificate_on_Client_Devices\" title=\"Step 3: Install the Certificate on Client Devices\">Step 3: Install the Certificate on Client Devices<\/a><\/li><li class=\"ez-toc-page-1 ez-toc-heading-level-3\"><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/cciedump.spoto.net\/blog\/resolving-the-a-root-certificate-for-fortinet-is-required-but-isn-t-installed-error-from-ai_22422.html\/#Step_4_Verify_and_Test_the_Installation\" title=\"Step 4: Verify and Test the Installation\">Step 4: Verify and Test the Installation<\/a><\/li><\/ul><\/li><li class=\"ez-toc-page-1 ez-toc-heading-level-2\"><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/cciedump.spoto.net\/blog\/resolving-the-a-root-certificate-for-fortinet-is-required-but-isn-t-installed-error-from-ai_22422.html\/#Best_Practices_and_Prevention\" title=\"Best Practices and Prevention\">Best Practices and Prevention<\/a><ul class=\"ez-toc-list-level-3\"><li class=\"ez-toc-heading-level-3\"><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/cciedump.spoto.net\/blog\/resolving-the-a-root-certificate-for-fortinet-is-required-but-isn-t-installed-error-from-ai_22422.html\/#Automating_Certificate_Distribution\" title=\"Automating Certificate Distribution\">Automating Certificate Distribution<\/a><\/li><li class=\"ez-toc-page-1 ez-toc-heading-level-3\"><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/cciedump.spoto.net\/blog\/resolving-the-a-root-certificate-for-fortinet-is-required-but-isn-t-installed-error-from-ai_22422.html\/#Regular_Certificate_Management\" title=\"Regular Certificate Management\">Regular Certificate Management<\/a><\/li><li class=\"ez-toc-page-1 ez-toc-heading-level-3\"><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/cciedump.spoto.net\/blog\/resolving-the-a-root-certificate-for-fortinet-is-required-but-isn-t-installed-error-from-ai_22422.html\/#Educating_End_Users\" title=\"Educating End Users\">Educating End Users<\/a><\/li><\/ul><\/li><li class=\"ez-toc-page-1 ez-toc-heading-level-2\"><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/cciedump.spoto.net\/blog\/resolving-the-a-root-certificate-for-fortinet-is-required-but-isn-t-installed-error-from-ai_22422.html\/#Frequently_Asked_Questions_FAQ\" title=\"Frequently Asked Questions (FAQ)\">Frequently Asked Questions (FAQ)<\/a><ul class=\"ez-toc-list-level-3\"><li class=\"ez-toc-heading-level-3\"><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/cciedump.spoto.net\/blog\/resolving-the-a-root-certificate-for-fortinet-is-required-but-isn-t-installed-error-from-ai_22422.html\/#Why_am_I_receiving_this_error_message\" title=\"Why am I receiving this error message?\">Why am I receiving this error message?<\/a><\/li><li class=\"ez-toc-page-1 ez-toc-heading-level-3\"><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/cciedump.spoto.net\/blog\/resolving-the-a-root-certificate-for-fortinet-is-required-but-isn-t-installed-error-from-ai_22422.html\/#Where_can_I_download_the_Fortinet_root_certificate\" title=\"Where can I download the Fortinet root certificate?\">Where can I download the Fortinet root certificate?<\/a><\/li><li class=\"ez-toc-page-1 ez-toc-heading-level-3\"><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/cciedump.spoto.net\/blog\/resolving-the-a-root-certificate-for-fortinet-is-required-but-isn-t-installed-error-from-ai_22422.html\/#How_do_I_install_the_certificate_on_different_operating_systems_and_browsers\" title=\"How do I install the certificate on different operating systems and browsers?\">How do I install the certificate on different operating systems and browsers?<\/a><\/li><li class=\"ez-toc-page-1 ez-toc-heading-level-3\"><a class=\"ez-toc-link ez-toc-heading-18\" href=\"https:\/\/cciedump.spoto.net\/blog\/resolving-the-a-root-certificate-for-fortinet-is-required-but-isn-t-installed-error-from-ai_22422.html\/#Can_I_bypass_SSL_inspection_to_avoid_this_error\" title=\"Can I bypass SSL inspection to avoid this error?\">Can I bypass SSL inspection to avoid this error?<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"Introduction\"><\/span>Introduction<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>When browsing the web through a Fortinet firewall that intercepts HTTPS traffic, your device might show a certificate warning. This happens because the Fortinet appliance presents its own certificate for SSL inspection. If your device does not trust the Fortinet root certificate, you\u2019ll see an error message.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" width=\"876\" height=\"702\" src=\"https:\/\/cciedump.spoto.net\/blog\/wp-content\/uploads\/2025\/03\/image-12.png\" alt=\"\" class=\"wp-image-22423\" srcset=\"https:\/\/cciedump.spoto.net\/blog\/wp-content\/uploads\/2025\/03\/image-12.png 876w, https:\/\/cciedump.spoto.net\/blog\/wp-content\/uploads\/2025\/03\/image-12-300x240.png 300w, https:\/\/cciedump.spoto.net\/blog\/wp-content\/uploads\/2025\/03\/image-12-768x615.png 768w\" sizes=\"(max-width: 876px) 100vw, 876px\" \/><\/figure>\n\n\n\n<p><em>Impact:<\/em><\/p>\n\n\n\n<ul><li class=\"\">Interrupted secure web access<\/li><li class=\"\">Confusing error messages for end users<\/li><li class=\"\">Potential security risks if users bypass warnings<\/li><\/ul>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<h2><span class=\"ez-toc-section\" id=\"Understanding_the_Error_Message\"><\/span>Understanding the Error Message<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h3><span class=\"ez-toc-section\" id=\"What_Is_a_Root_Certificate\"><\/span>What Is a Root Certificate?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>A <strong>root certificate<\/strong> is the top-level certificate in a chain of trust. It signs one or more intermediate certificates, which in turn sign end-entity (server) certificates.<\/p>\n\n\n\n<ul><li class=\"\"><strong>Root Certificate:<\/strong> Must be installed in your operating system or browser\u2019s trusted certificate store.<\/li><li class=\"\"><strong>Intermediate Certificates:<\/strong> Bridge the trust between the root and server certificates.<\/li><\/ul>\n\n\n\n<p><em>Diagram of a Certificate Chain:<\/em><br><\/p>\n\n\n\n<h3><span class=\"ez-toc-section\" id=\"How_Fortinet_Uses_SSL_Inspection\"><\/span>How Fortinet Uses SSL Inspection<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Fortinet appliances perform <strong>SSL\/TLS inspection<\/strong> by decrypting HTTPS traffic, scanning it for threats, and then re-encrypting it before sending it to the client. To do this, the appliance generates and presents a certificate that mimics the destination website.<\/p>\n\n\n\n<ul><li class=\"\"><strong>Why the Error Occurs:<\/strong><br>If your device hasn\u2019t been configured to trust the Fortinet Certificate Authority (CA), it will reject the certificate, leading to the error.<\/li><\/ul>\n\n\n\n<p><em>Reference:<\/em> See community discussions on Fortinet certificate errors.<\/p>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<h2><span class=\"ez-toc-section\" id=\"Troubleshooting_the_Issue\"><\/span>Troubleshooting the Issue<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h3><span class=\"ez-toc-section\" id=\"Step_1_Verify_Fortinet_Configuration\"><\/span>Step 1: Verify Fortinet Configuration<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<h4>Check SSL Inspection Settings<\/h4>\n\n\n\n<ol><li><strong>Log into the FortiGate Management Interface:<\/strong><br>Navigate to <strong>Policy &amp; Objects > Security Profiles<\/strong>.<\/li><li><strong>Review the SSL Inspection Profile:<\/strong><br>Confirm that the deep SSL inspection (or certificate inspection) profile is enabled.<\/li><\/ol>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<h3><span class=\"ez-toc-section\" id=\"Step_2_Download_the_Fortinet_Root_Certificate\"><\/span>Step 2: Download the Fortinet Root Certificate<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<h4>How to Download the Certificate<\/h4>\n\n\n\n<ol><li><strong>Access the Certificate Settings:<\/strong><br>Log into your FortiGate appliance and go to <strong>Security Profiles > SSL\/SSH Inspection<\/strong>.<\/li><li><strong>Download the Certificate:<\/strong><br>Locate the certificate labeled \u201cFortinet_CA_SSL\u201d (or a similar name) and click on <strong>Download Certificate<\/strong>.<\/li><\/ol>\n\n\n\n<p><em>Note:<\/em> Ensure that the certificate version matches your FortiGate firmware and inspection configuration.<\/p>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<h3><span class=\"ez-toc-section\" id=\"Step_3_Install_the_Certificate_on_Client_Devices\"><\/span>Step 3: Install the Certificate on Client Devices<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<h4>For Windows Clients<\/h4>\n\n\n\n<ol><li><strong>Open the Certificate File:<\/strong><br>Double-click the downloaded certificate file.<\/li><li><strong>Launch the Certificate Import Wizard:<\/strong><br>Click <strong>Install Certificate<\/strong>.<\/li><li><strong>Select Local Machine:<\/strong><br>Choose <strong>Local Machine<\/strong> and click <strong>Next<\/strong>.<\/li><li><strong>Choose the Store:<\/strong><br>Select <strong>Place all certificates in the following store<\/strong> and choose <strong>Trusted Root Certification Authorities<\/strong>.<\/li><li><strong>Complete the Wizard:<\/strong><br>Click <strong>Finish<\/strong> and, if prompted, confirm the installation. Restart your browser afterward.<\/li><\/ol>\n\n\n\n<h4>For macOS Clients<\/h4>\n\n\n\n<ol><li><strong>Open the Certificate:<\/strong><br>Double-click the certificate file to open it in <strong>Keychain Access<\/strong>.<\/li><li><strong>Install the Certificate:<\/strong><br>Drag the certificate into the <strong>System<\/strong> or <strong>login<\/strong> keychain.<\/li><li><strong>Set Trust Settings:<\/strong><br>Double-click the certificate, expand the <strong>Trust<\/strong> section, and set it to <strong>Always Trust<\/strong>.<\/li><li><strong>Restart the Browser:<\/strong><br>Close and reopen your browser to apply the new settings.<\/li><\/ol>\n\n\n\n<h4>For Firefox Clients<\/h4>\n\n\n\n<p>Firefox maintains its own certificate store:<\/p>\n\n\n\n<ol><li class=\"\"><strong>Open Firefox Options:<\/strong><br>Go to <strong>Options (or Preferences) &gt; Privacy &amp; Security<\/strong>.<\/li><li class=\"\"><strong>Manage Certificates:<\/strong><br>Scroll down to the <strong>Certificates<\/strong> section and click <strong>View Certificates<\/strong>.<\/li><li class=\"\"><strong>Import the Certificate:<\/strong><br>In the <strong>Authorities<\/strong> tab, click <strong>Import<\/strong>, select your Fortinet CA certificate, and choose to trust it for website identification.<\/li><li class=\"\"><strong>Restart Firefox:<\/strong><br>Restart Firefox for changes to take effect.<\/li><\/ol>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<h3><span class=\"ez-toc-section\" id=\"Step_4_Verify_and_Test_the_Installation\"><\/span>Step 4: Verify and Test the Installation<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ol><li><strong>Check the Certificate Chain in Your Browser:<\/strong><br>Click the padlock icon in your browser\u2019s address bar when visiting an HTTPS site. Ensure the Fortinet root certificate appears as part of the certificate chain.<\/li><li><strong>Use Online Tools:<\/strong><br>Run your site through online tools like <a class=\"\" href=\"https:\/\/www.ssllabs.com\/ssltest\/\">SSL Labs\u2019 SSL Test<\/a> to verify that the full certificate chain is correctly served.<\/li><\/ol>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<h2><span class=\"ez-toc-section\" id=\"Best_Practices_and_Prevention\"><\/span>Best Practices and Prevention<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h3><span class=\"ez-toc-section\" id=\"Automating_Certificate_Distribution\"><\/span>Automating Certificate Distribution<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul><li class=\"\"><strong>Windows Domain Environments:<\/strong><br>Use Active Directory Group Policy to automatically distribute the Fortinet CA certificate to all domain-joined machines.<\/li><li class=\"\"><strong>Mobile Devices and Macs:<\/strong><br>Use a Mobile Device Management (MDM) system to push the certificate to end devices.<\/li><\/ul>\n\n\n\n<h3><span class=\"ez-toc-section\" id=\"Regular_Certificate_Management\"><\/span>Regular Certificate Management<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul><li class=\"\"><strong>Monitor Expiry Dates:<\/strong><br>Regularly check the expiry dates of your Fortinet CA certificate and update as necessary.<\/li><li class=\"\"><strong>Firmware Updates:<\/strong><br>Keep your FortiGate firmware up to date to ensure that SSL inspection and certificate handling work optimally.<\/li><\/ul>\n\n\n\n<h3><span class=\"ez-toc-section\" id=\"Educating_End_Users\"><\/span>Educating End Users<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul><li class=\"\"><strong>Inform Users About Certificate Warnings:<\/strong><br>Educate your team on the importance of proper certificate installation so they know not to ignore warnings without proper validation.<\/li><\/ul>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<h2><span class=\"ez-toc-section\" id=\"Frequently_Asked_Questions_FAQ\"><\/span>Frequently Asked Questions (FAQ)<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h3><span class=\"ez-toc-section\" id=\"Why_am_I_receiving_this_error_message\"><\/span>Why am I receiving this error message?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>This error indicates that your device does not trust the Fortinet certificate because the required root certificate is missing from your trusted store.<\/p>\n\n\n\n<h3><span class=\"ez-toc-section\" id=\"Where_can_I_download_the_Fortinet_root_certificate\"><\/span>Where can I download the Fortinet root certificate?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Log into your FortiGate appliance, navigate to <strong>Security Profiles &gt; SSL\/SSH Inspection<\/strong>, and download the certificate (often labeled \u201cFortinet_CA_SSL\u201d).<\/p>\n\n\n\n<h3><span class=\"ez-toc-section\" id=\"How_do_I_install_the_certificate_on_different_operating_systems_and_browsers\"><\/span>How do I install the certificate on different operating systems and browsers?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul><li class=\"\"><strong>Windows:<\/strong> Use the Certificate Import Wizard to add the certificate to the Trusted Root Certification Authorities store.<\/li><li class=\"\"><strong>macOS:<\/strong> Use Keychain Access to install the certificate and set it to \u201cAlways Trust.\u201d<\/li><li class=\"\"><strong>Firefox:<\/strong> Import the certificate via Firefox\u2019s certificate manager under the Authorities tab.<\/li><\/ul>\n\n\n\n<h3><span class=\"ez-toc-section\" id=\"Can_I_bypass_SSL_inspection_to_avoid_this_error\"><\/span>Can I bypass SSL inspection to avoid this error?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>While you can create exceptions to bypass SSL inspection on certain sites, this may reduce overall network security. It is best practice to install the certificate on client devices.<\/p>\n<div class='sfsi_Sicons' style='width: 100%; display: inline-block; vertical-align: middle; text-align:left'><div style='margin:0px 8px 0px 0px; line-height: 24px'><span>Please follow and like us:<\/span><\/div><div class='sfsi_socialwpr'><div class='sf_fb_share sf_icon' style='text-align:left;vertical-align: middle;'><a href='https:\/\/www.facebook.com\/sharer\/sharer.php?u=https%3A%2F%2Fcciedump.spoto.net%2Fblog%2Fresolving-the-a-root-certificate-for-fortinet-is-required-but-isn-t-installed-error-from-ai_22422.html' style='display:inline-block;'  > <img class='sfsi_wicon'  data-pin-nopin='true' width='auto' height='auto' alt='fb-share-icon' title='Facebook Share' src='https:\/\/cciedump.spoto.net\/blog\/wp-content\/plugins\/ultimate-social-media-icons\/images\/visit_icons\/fbshare_bck.png'  \/><\/a><\/div><div class='sf_twiter sf_icon' style='display: inline-block;vertical-align: middle;width: auto;margin-left: 7px;'>\r\n\t\t\t\t\t\t<a target='_blank' href='https:\/\/twitter.com\/intent\/tweet?text=Resolving+the+%E2%80%9CA+root+certificate+for+Fortinet+is+required+but+isn%E2%80%99t+installed%E2%80%9D+Error+https:\/\/cciedump.spoto.net\/blog\/resolving-the-a-root-certificate-for-fortinet-is-required-but-isn-t-installed-error-from-ai_22422.html'style='display:inline-block' >\r\n\t\t\t\t\t\t\t<img data-pin-nopin= true width='auto' class='sfsi_wicon' src='https:\/\/cciedump.spoto.net\/blog\/wp-content\/plugins\/ultimate-social-media-icons\/images\/visit_icons\/en_US_Tweet.svg' alt='Tweet' title='Tweet' >\r\n\t\t\t\t\t\t<\/a>\r\n\t\t\t\t\t<\/div><div class='sf_pinit sf_icon' style='text-align:left;vertical-align: middle;float:left;line-height: 33px;width:auto;margin: 0 -2px;'><a href='#'  onclick='sfsi_pinterest_modal_images(event,\"https:\/\/cciedump.spoto.net\/blog\/resolving-the-a-root-certificate-for-fortinet-is-required-but-isn-t-installed-error-from-ai_22422.html\",\"Resolving the \u201cA root certificate for Fortinet is required but isn\u2019t installed\u201d Error\")' style='display:inline-block;'  > <img class='sfsi_wicon'  data-pin-nopin='true' width='auto' height='auto' alt='fb-share-icon' title='Pin Share' src='https:\/\/cciedump.spoto.net\/blog\/wp-content\/plugins\/ultimate-social-media-icons\/images\/share_icons\/Pinterest_Save\/en_US_save.svg'  \/><\/a><\/div><\/div><\/div>","protected":false},"excerpt":{"rendered":"<p>Table of Contents IntroductionUnderstanding the Error MessageWhat Is a Root Certificate?How Fortinet Uses SSL InspectionTroubleshooting the IssueStep 1: Verify Fortinet ConfigurationStep 2: Download the Fortinet Root CertificateStep 3: Install the Certificate on Client DevicesStep 4: Verify and Test the InstallationBest Practices and PreventionAutomating Certificate DistributionRegular Certificate ManagementEducating End UsersFrequently Asked Questions (FAQ)Why am I receiving&#8230; &raquo; <a class=\"read-more-link\" href=\"https:\/\/cciedump.spoto.net\/blog\/resolving-the-a-root-certificate-for-fortinet-is-required-but-isn-t-installed-error-from-ai_22422.html\">read more<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[1],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v18.0 - 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