{"id":1758,"date":"2016-05-22T16:42:46","date_gmt":"2016-05-22T23:42:46","guid":{"rendered":"https:\/\/www.netometer.com\/blog\/?p=1758"},"modified":"2025-10-21T17:45:59","modified_gmt":"2025-10-22T00:45:59","slug":"letsencrypt-windows-client-how-to-install-a-lets-encrypt-free-ssl-certificate-on-windows-server","status":"publish","type":"post","link":"https:\/\/www.netometer.com\/blog\/?p=1758","title":{"rendered":"Letsencrypt Windows Client: How to Install Let&#8217;s Encrypt Free SSL Certificates on Windows Server"},"content":{"rendered":"<p><strong><span class=\"penci-highlighted-red\">This video refers to the ACME v1 client which does not work anymore.<br \/>\nPlease check the <a href=\"https:\/\/www.netometer.com\/blog\/?p=1896\">new free ACMEExchange client<\/a> which works with ACME v2 protocol and supports Exchange 2010 &#8211; 2019.<\/span><\/strong><\/p>\n<p><strong>The ACMEExchange client is available <span style=\"color: #ff0000;\"><a style=\"color: #ff0000;\" href=\"https:\/\/www.netometer.com\/blog\/?p=1896\">here.<\/a><\/span><\/strong><\/p>\n<p>In this video, we demonstrate how to install <a title=\"Let's Encrypt SSL Certificate\" href=\"https:\/\/letsencrypt.org\/\" target=\"_blank\" rel=\"noopener\">Let&#8217;s Encrypt SSL certificates<\/a> on Windows Servers running IIS. The demonstration is performed on Server 2012 R2, and we have tested successfully the <a title=\"Letsencrypt Windows Client\" href=\"https:\/\/github.com\/Lone-Coder\/letsencrypt-win-simple\" target=\"_blank\" rel=\"noopener\">Letsencrypt Win Simple Client<\/a> on Server 2008 R2 and Server 2016.<\/p>\n<p>Currently, there are two functional ACME clients for windows:<\/p>\n<ul>\n<li><a title=\"letsencrypt-win-simple\" href=\"https:\/\/github.com\/Lone-Coder\/letsencrypt-win-simple\" target=\"_blank\" rel=\"noopener\">Letsencrypt Win Simple client<\/a><\/li>\n<li><a title=\"ACME library and client for the .NET platform\" href=\"https:\/\/github.com\/ebekker\/ACMESharp\/\" target=\"_blank\" rel=\"noopener\">ACMESharp PowerShell module<\/a><\/li>\n<\/ul>\n<p>In this video, we demonstrate the first client, Letsencrypt Win Simple, which is suitable for installing single domain certificates on Windows Servers running IIS. The second Lestencrypt client, the ACMESharp PowerShell module, is suitable for installing Multiple Domain (SAN) certificates on Exchange servers, and we demonstrate the process in detail in <strong><a title=\"Let\u2019s Encrypt Exchange Certificate\" href=\"https:\/\/www.netometer.com\/video\/tutorials\/How-to-Install-LetsEncrypt-Certificate-in-Exchange-Server\" target=\"_blank\" rel=\"noopener\">the following Screencast <\/a><a title=\"How to Install a Let\u2019s Encrypt SAN Certificate in Exchange 2016\" href=\"https:\/\/www.netometer.com\/video\/tutorials\/How-to-Install-LetsEncrypt-Certificate-in-Exchange-Server\/\" target=\"_blank\" rel=\"noopener\"><img decoding=\"async\" src=\"https:\/\/www.netometer.com\/blog\/wp-content\/uploads\/video-icon.png\" alt=\"Lettsencrypt Exchange Certificate\" width=\"25\" height=\"21\" \/><\/a><\/strong>.<\/p>\n<p>You can download the letsencrypt-win-simple [tip label=&#8221;Compiled Build&#8221; style=&#8221;1&#8243; href=&#8221;https:\/\/www.netometer.com\/downloads\/letsencrypt-win-simple-v1.9.1.1.zip&#8221;]letsencrypt-win-simple-v1.9.1.1.zip<img decoding=\"async\" src=\"https:\/\/www.netometer.com\/blog\/wp-content\/uploads\/script-icon.jpg\" alt=\"PowerShell Commands\" width=\"25\" height=\"27\" \/>[\/tip] that we are using in the demo.<\/p>\n<div class=\"gk-legend\" data-style=\"style3\"><strong>Let&#8217;s Encrypt CA<\/strong>Let\u2019s Encrypt is a free, automated, and open certificate authority brought to you by the Internet Security Research Group (ISRG). It entered public beta in September 2015 and completed it successfully on April 12th,2016, issuing more than 1.7 million certificates for more than 3.8 million websites. The project is sponsored by Mozilla, Akamai, Cisco, Chrome <a title=\"Let's Encrypt Sponsors\" href=\"https:\/\/letsencrypt.org\/sponsors\/\" target=\"_blank\" rel=\"noopener\"><strong>&#8230;<\/strong><\/a><\/div>\n<div id=\"kgvid_kgvid_0_wrapper\" class=\"kgvid_wrapper\">\n\t\t\t<div id=\"video_kgvid_0_div\" class=\"fitvidsignore kgvid_videodiv\" data-id=\"kgvid_0\" data-kgvid_video_vars=\"{&quot;id&quot;:&quot;kgvid_0&quot;,&quot;attachment_id&quot;:1768,&quot;player_type&quot;:&quot;Video.js v8&quot;,&quot;width&quot;:&quot;800&quot;,&quot;height&quot;:&quot;600&quot;,&quot;fullwidth&quot;:&quot;false&quot;,&quot;fixed_aspect&quot;:&quot;false&quot;,&quot;countable&quot;:true,&quot;count_views&quot;:&quot;quarters&quot;,&quot;start&quot;:&quot;&quot;,&quot;autoplay&quot;:&quot;false&quot;,&quot;pauseothervideos&quot;:&quot;false&quot;,&quot;set_volume&quot;:&quot;1&quot;,&quot;muted&quot;:&quot;false&quot;,&quot;meta&quot;:true,&quot;endofvideooverlay&quot;:&quot;&quot;,&quot;resize&quot;:&quot;true&quot;,&quot;auto_res&quot;:&quot;automatic&quot;,&quot;pixel_ratio&quot;:&quot;true&quot;,&quot;right_click&quot;:&quot;on&quot;,&quot;playback_rate&quot;:&quot;false&quot;,&quot;title&quot;:&quot;Letsencrypt Windows Client: Requesting Certificates for Multiple Sites&quot;,&quot;skip_buttons&quot;:[],&quot;nativecontrolsfortouch&quot;:&quot;true&quot;,&quot;locale&quot;:&quot;en&quot;,&quot;enable_resolutions_plugin&quot;:false}\" itemprop=\"video\" itemscope itemtype=\"https:\/\/schema.org\/VideoObject\"><meta itemprop=\"thumbnailUrl\" content=\"https:\/\/www.netometer.com\/blog\/wp-content\/uploads\/Letsencrypt-Windows-Client-Requesting-certificates-for-multiple-sites_thumb487.jpg\"><meta itemprop=\"embedUrl\" content=\"https:\/\/www.netometer.com\/blog\/wp-content\/uploads\/Letsencrypt-Windows-Client-Requesting-certificates-for-multiple-sites.mp4\"><meta itemprop=\"contentUrl\" content=\"https:\/\/www.netometer.com\/blog\/wp-content\/uploads\/Letsencrypt-Windows-Client-Requesting-certificates-for-multiple-sites.mp4\"><meta itemprop=\"name\" content=\"Letsencrypt Windows Client: Requesting Certificates for Multiple Sites\"><meta itemprop=\"description\" content=\"Running Let&#039;s Encrypt Windows Client on Server 2012 R2\"><meta itemprop=\"uploadDate\" content=\"2016-05-22T17:27:33-07:00\">\n\t\t\t\t<video id=\"video_kgvid_0\" playsinline controls preload=\"metadata\" poster=\"https:\/\/www.netometer.com\/blog\/wp-content\/uploads\/Letsencrypt-Windows-Client-Requesting-certificates-for-multiple-sites_thumb487.jpg\" width=\"800\" height=\"600\" class=\"fitvidsignore video-js kg-video-js-skin\">\n\t\t\t\t\t<source src=\"https:\/\/www.netometer.com\/blog\/wp-content\/uploads\/Letsencrypt-Windows-Client-Requesting-certificates-for-multiple-sites.mp4?id=0\" type=\"video\/mp4\" data-res=\"600p\">\n\t\t\t\t<\/video>\n\t\t\t<\/div>\n\t\t\t<div class=\"kgvid_below_video\" id=\"video_kgvid_0_below\"><div class=\"kgvid-caption\" id=\"video_kgvid_0_caption\">Running Let's Encrypt Windows Client on Server 2012 R2<\/div><\/div>\t\t\t<div style=\"display:none\" id=\"video_kgvid_0_meta\" class=\"kgvid_video_meta kgvid_video_meta_hover \">\n\t\t\t\t<span class='kgvid_meta_icons'><\/span>\n\t\t\t\t<span id='video_kgvid_0_title' class='kgvid_title'>Letsencrypt Windows Client: Requesting Certificates for Multiple Sites<\/span>\n<\/div>\n\t\t<\/div>\n<ul data-style=\"style5\">\n<li><a title=\"How to Install a Let\u2019s Encrypt SAN Certificate in Exchange 2016\" href=\"https:\/\/www.netometer.com\/video\/tutorials\/How-to-Install-LetsEncrypt-Certificate-in-Exchange-Server\" target=\"_blank\" rel=\"noopener\">How to Install a Let\u2019s Encrypt SAN Certificate in Exchange 2016<\/a><\/li>\n<li><a title=\"How to Install Exchange 2016\" href=\"https:\/\/www.netometer.com\/video\/tutorials\/How-to-Install-Exchange-2016\" target=\"_blank\" rel=\"noopener\">How to Install Exchange 2016<\/a><\/li>\n<li><a title=\"How to Upgrade Exchange 2007 to Exchange 2013: Part1\" href=\"https:\/\/www.netometer.com\/video\/tutorials\/How-to-Upgrade-Exchange-2007-to-Exchange-2013\" target=\"_blank\" rel=\"noopener\">How to Upgrade Exchange 2007 to Exchange 2013: Part1<\/a><\/li>\n<li><a title=\"How to Upgrade Exchange 2007 to Exchange 2013: Part2\" href=\"https:\/\/www.netometer.com\/video\/tutorials\/How-to-Upgrade-Exchange-2007-to-Exchange-2013-Part2\" target=\"_blank\" rel=\"noopener\">How to Upgrade Exchange 2007 to Exchange 2013: Part2<\/a><\/li>\n<li><a title=\"How to Configure HTTP to HTTPS OWA Redirection in Exchange 2013\" href=\"https:\/\/www.netometer.com\/blog\/?p=1307\" target=\"_blank\" rel=\"noopener\">How to Configure HTTP to HTTPS OWA Redirection in Exchange 2013<\/a><\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Requesting and installing single domain certificates for multiple sites [Part 1 ]<br \/>\nThe ACME protocol that is used by let\u2019s encrypt clients [Part 2]<br \/>\nThe process of the automatic certificate renewal [Part 3]<br \/>\nRequesting and installing Multi Domain (SAN) certificates [Part 4]<\/p>\n","protected":false},"author":1,"featured_media":1770,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_sitemap_exclude":false,"_sitemap_priority":"","_sitemap_frequency":"","footnotes":""},"categories":[326],"tags":[484,493,492],"_links":{"self":[{"href":"https:\/\/www.netometer.com\/blog\/index.php?rest_route=\/wp\/v2\/posts\/1758"}],"collection":[{"href":"https:\/\/www.netometer.com\/blog\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.netometer.com\/blog\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.netometer.com\/blog\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.netometer.com\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1758"}],"version-history":[{"count":0,"href":"https:\/\/www.netometer.com\/blog\/index.php?rest_route=\/wp\/v2\/posts\/1758\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.netometer.com\/blog\/index.php?rest_route=\/wp\/v2\/media\/1770"}],"wp:attachment":[{"href":"https:\/\/www.netometer.com\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1758"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.netometer.com\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1758"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.netometer.com\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1758"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}