{"id":278,"date":"2026-06-26T05:36:24","date_gmt":"2026-06-26T05:36:24","guid":{"rendered":"https:\/\/velanremoteitsupport.com\/blog\/?post_type=techtips&#038;p=278"},"modified":"2026-06-26T05:36:25","modified_gmt":"2026-06-26T05:36:25","slug":"how-install-defender-antivirus-windows-server","status":"publish","type":"techtips","link":"https:\/\/velanremoteitsupport.com\/blog\/techtips\/how-install-defender-antivirus-windows-server\/","title":{"rendered":"How to Install Windows Defender Antivirus in Windows"},"content":{"rendered":"\n<div class=\"schema-faq wp-block-yoast-faq-block\"><div class=\"schema-faq-section\" id=\"faq-question-1782129638575\"><strong class=\"schema-faq-question\"><strong>What is meant by Windows Defender Antivirus?<\/strong><br><\/strong> <p class=\"schema-faq-answer\">Windows Defender (or Microsoft Defender Antivirus) is a free, pre-installed security tool in Windows servers. It provides protection against various threats in real-time.<br>The Defender Antivirus integrates with tools like Microsoft Defender for Endpoint, Windows Defender System Guard, and Windows Defender Credential Guard.<br><br><strong>For basic server protection needs:<\/strong><br>The built-in Defender AV with proper configuration can provide first-level protection. Setting up exclusions, scheduling scans at proper intervals, and up-to-date definitions can help ensure effective security.<br><br><strong>For advanced threat detection:<\/strong><br>Getting a licensed Microsoft Defender for Endpoint offers behavioral analytics, EDR, and automated investigation and remediation capabilities. This offers advanced response and investigation capabilities.<br><br><\/p> <\/div> <\/div>\n\n\n\n<h2 class=\"wp-block-heading\" style=\"font-size:18px\"><strong>How to Enable Windows Defender GUI on Windows Server<\/strong><\/h2>\n\n\n\n<div class=\"schema-how-to wp-block-yoast-how-to-block\"><p class=\"schema-how-to-description\"><strong>Checking the presence of Defender<\/strong><br><\/p> <ul class=\"schema-how-to-steps\"><li class=\"schema-how-to-step\" id=\"how-to-step-1782129906383\"><strong class=\"schema-how-to-step-name\">You may use PowerShell to see if Windows Defender Antivirus is already installed in your server edition:<br><\/strong> <p class=\"schema-how-to-step-text\">Get-WindowsFeature | Where-Object {$_. name -like \u201c*defender*\u201d} |<br>ftName,DisplayName,Installstate<br><strong><br><\/strong><img loading=\"lazy\" decoding=\"async\" width=\"622\" height=\"83\" src=\"https:\/\/velanremoteitsupport.com\/blog\/wp-content\/uploads\/2026\/06\/check-windows-defender-antivirus-installation-status.png\" class=\"attachment-full size-full\" alt=\"PowerShell command to check Windows Defender Antivirus installation status on Windows Server\n\" style=\"max-width: 100%; height: auto;\" srcset=\"https:\/\/velanremoteitsupport.com\/blog\/wp-content\/uploads\/2026\/06\/check-windows-defender-antivirus-installation-status.png 622w, https:\/\/velanremoteitsupport.com\/blog\/wp-content\/uploads\/2026\/06\/check-windows-defender-antivirus-installation-status-300x40.png 300w\" sizes=\"auto, (max-width: 622px) 100vw, 622px\" \/><br><\/p> <\/li><li class=\"schema-how-to-step\" id=\"how-to-step-1782130549379\"><strong class=\"schema-how-to-step-name\"><strong>Defender Antivirus GUI Installation in Windows 2016<\/strong><br><\/strong> <p class=\"schema-how-to-step-text\">Windows Server 2016 does not provide the Defender Antivirus GUI as a standard setting. So, we need to install it manually.<br>We can use the &#8216;Server Manager&#8217; console to install the user interface. The utility provides a simple graphical interface so that you do not need PowerShell commands for installation.<br><br><em><strong>Add Roles and Features -> Features -> Windows Defender Features -> GUI for Windows Defender feature<\/strong><\/em><br><br><img loading=\"lazy\" decoding=\"async\" width=\"702\" height=\"501\" src=\"https:\/\/velanremoteitsupport.com\/blog\/wp-content\/uploads\/2026\/06\/gui-installation-2016-window.png\" class=\"attachment-full size-full\" alt=\"Server Manager Add Roles and Features Wizard showing Windows Defender Features with GUI for Windows Defender selected for installation\n\" style=\"max-width: 100%; height: auto;\" srcset=\"https:\/\/velanremoteitsupport.com\/blog\/wp-content\/uploads\/2026\/06\/gui-installation-2016-window.png 702w, https:\/\/velanremoteitsupport.com\/blog\/wp-content\/uploads\/2026\/06\/gui-installation-2016-window-300x214.png 300w\" sizes=\"auto, (max-width: 702px) 100vw, 702px\" \/><\/p> <\/li><li class=\"schema-how-to-step\" id=\"how-to-step-1782131295159\"><strong class=\"schema-how-to-step-name\"><strong>Enabling Windows Defender antivirus GUI with PowerShell command<\/strong><br><\/strong> <p class=\"schema-how-to-step-text\">The following command installs the Windows Defender GUI. System managers can control Defender through a visual interface instead of using commands.<br><br><strong><em>Install-WindowsFeature -Name Windows-Defender-GUI<\/em><\/strong><br><br><img loading=\"lazy\" decoding=\"async\" width=\"539\" height=\"305\" src=\"https:\/\/velanremoteitsupport.com\/blog\/wp-content\/uploads\/2026\/06\/enable-windows-defender-antivirus.png\" class=\"attachment-full size-full\" alt=\"PowerShell command Install-WindowsFeature to enable the Windows Defender Antivirus GUI on Windows Server\" style=\"max-width: 100%; height: auto;\" srcset=\"https:\/\/velanremoteitsupport.com\/blog\/wp-content\/uploads\/2026\/06\/enable-windows-defender-antivirus.png 539w, https:\/\/velanremoteitsupport.com\/blog\/wp-content\/uploads\/2026\/06\/enable-windows-defender-antivirus-300x170.png 300w\" sizes=\"auto, (max-width: 539px) 100vw, 539px\" \/><\/p> <\/li><li class=\"schema-how-to-step\" id=\"how-to-step-1782131551645\"><strong class=\"schema-how-to-step-name\"><strong>Error in Defender Settings<\/strong><br><\/strong> <p class=\"schema-how-to-step-text\">Windows Server 2019&#8217;s Defender GUI is constructed upon the APPX program. Administrators can access it from <strong><em>Settings > Update &amp; Security > Windows Security.<br><\/em><\/strong><br>You can use the menu &#8216;<strong><em>Virus &amp; threat <\/em><\/strong>protection&#8217; for configuring Defender, viewing security alerts, and scheduling scanning.<br><br><img loading=\"lazy\" decoding=\"async\" width=\"609\" height=\"463\" src=\"https:\/\/velanremoteitsupport.com\/blog\/wp-content\/uploads\/2026\/06\/error-defender-setting-window-server.png\" class=\"attachment-full size-full\" alt=\"Windows Security settings page in Windows Server 2019 showing Virus and Threat Protection option with an error or warning indicator\n\" style=\"max-width: 100%; height: auto;\" srcset=\"https:\/\/velanremoteitsupport.com\/blog\/wp-content\/uploads\/2026\/06\/error-defender-setting-window-server.png 609w, https:\/\/velanremoteitsupport.com\/blog\/wp-content\/uploads\/2026\/06\/error-defender-setting-window-server-300x228.png 300w\" sizes=\"auto, (max-width: 609px) 100vw, 609px\" \/><\/p> <\/li><li class=\"schema-how-to-step\" id=\"how-to-step-1782131822471\"><strong class=\"schema-how-to-step-name\">If the Windows Security app does not open and shows the message &#8220;<em>You&#8217;ll need a new app to open this Windows Defender,<\/em>&#8221; we can understand that the app may be damaged or not registered correctly in Windows.<br><\/strong> <p class=\"schema-how-to-step-text\">For this, you need to re-register the APPX programme using the PowerShell command<br><br>                                        <strong><em>Add-AppxPackage -Register -DisableDevelopmentMode<\/em><\/strong><br><strong><em> \u201cC:\\Windows\\SystemApps\\Microsoft.Windows.SecHealthUI_cw5n1h2txyewy\\AppXManifest.xml\u201d<\/em><\/strong> <br> <br>If the UWP (APPX) program has been removed completely, then you can manually restore it following the similar procedure used to restore a Microsoft Store application.<br><br><img loading=\"lazy\" decoding=\"async\" width=\"647\" height=\"305\" src=\"https:\/\/velanremoteitsupport.com\/blog\/wp-content\/uploads\/2026\/06\/register-appx-programme.png\" class=\"attachment-full size-full\" alt=\"PowerShell command to re-register the Windows Security APPX package using Add-AppxPackage on Windows Server 2019\n\" style=\"max-width: 100%; height: auto;\" srcset=\"https:\/\/velanremoteitsupport.com\/blog\/wp-content\/uploads\/2026\/06\/register-appx-programme.png 647w, https:\/\/velanremoteitsupport.com\/blog\/wp-content\/uploads\/2026\/06\/register-appx-programme-300x141.png 300w\" sizes=\"auto, (max-width: 647px) 100vw, 647px\" \/><br><\/p> <\/li><li class=\"schema-how-to-step\" id=\"how-to-step-1782192141461\"><strong class=\"schema-how-to-step-name\"><strong>PowerShell command for uninstalling Windows Defender GUI<\/strong><br><\/strong> <p class=\"schema-how-to-step-text\">Windows Defender can be removed using Server Manager or the PowerShell command:<br><br><strong>Uninstall-WindowsFeature -Name Windows-Defender<\/strong><br>Note that if the server does not have any other strong antivirus software, it is highly recommended not to uninstall Defender.<br><\/p> <\/li><\/ul><\/div>\n\n\n\n<h3 class=\"wp-block-heading\" style=\"font-size:18px\"><strong>Conclusion<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Windows Defender acts as a strong framework for protecting Windows servers from security threats. For newer versions of the servers, like Windows 2022, the procedures may vary, as Windows Defender is tightly integrated in them and can be managed through Windows Admin Center.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Velan Remote IT Services helps businesses with server administration services. Outsource<a href=\"https:\/\/velanremoteitsupport.com\/outsourced-server-management-support-service\" type=\"link\" id=\"https:\/\/velanremoteitsupport.com\/outsourced-server-management-support-service\"> server maintenance and monitoring solutions<\/a> to Velan to get access to <a href=\"https:\/\/velanremoteitsupport.com\/outsourced-managed-help-desk-support\" type=\"link\" id=\"https:\/\/velanremoteitsupport.com\/outsourced-managed-help-desk-support\">24\/7 help desk services <\/a>to ensure improved security and reliable server performance.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\" style=\"font-size:18px\"><strong>Read answers to the frequently asked questions in Microsoft Defender<\/strong><\/p>\n\n\n\n<div class=\"schema-faq wp-block-yoast-faq-block\"><div class=\"schema-faq-section\" id=\"faq-question-1782192897559\"><strong class=\"schema-faq-question\">What is the main purpose of Windows Defender firewall?<br><\/strong> <p class=\"schema-faq-answer\">Microsoft offers an integrated security system called Windows Defender. Its primary function is to protect your server from threats like access violations and malicious activities. It scans and filters the incoming and outgoing network traffic, files, and websites to ensure protection.\u00a0<br><\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1782192954890\"><strong class=\"schema-faq-question\">Can Windows Defender remove the need for other antivirus software in Windows Server 2016 and 2019?<br><\/strong> <p class=\"schema-faq-answer\">Defender indeed covers all layers of basic protection. But trusting only Defender is not advisable. Many paid antivirus tools offer advanced and stronger security frameworks. Depending on your safety needs and the confidentiality of your data, you can opt for additional security over Defender.<br><\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1782192965457\"><strong class=\"schema-faq-question\">What version of Microsoft Defender do I need to be safe against the 2026 zero-days?<br><\/strong> <p class=\"schema-faq-answer\">Your system must run Engine Version 1.1.26040.8 \/ 1.1.26050.11 or later. You can verify this by opening <br><strong>Windows Security > Settings > About<\/strong>. If your version is lower, trigger an update manually via Windows Update immediately<br><\/p> <\/div> <\/div>\n\n\n\n<p class=\"wp-block-paragraph\" style=\"font-size:18px\"><br><br><\/p>\n","protected":false},"excerpt":{"rendered":"<p>How to Enable Windows Defender GUI on Windows Server Conclusion Windows Defender acts as a strong framework for protecting Windows servers from security threats. For newer versions of the servers, like Windows 2022, the procedures may vary, as Windows Defender is tightly integrated in them and can be managed through Windows Admin Center. Velan Remote [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":339,"comment_status":"open","ping_status":"closed","template":"","meta":{"footnotes":""},"techtips_category":[6],"class_list":["post-278","techtips","type-techtips","status-publish","has-post-thumbnail","hentry","techtips_category-applications"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>How to Install Defender Antivirus on Windows 2019 &amp; 2016?<\/title>\n<meta name=\"description\" content=\"Learn how to install Defender Antivirus on Windows Server 2016 &amp; 2019 using PowerShell or Server Manager. 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It provides protection against various threats in real-time.<br>The Defender Antivirus integrates with tools like Microsoft Defender for Endpoint, Windows Defender System Guard, and Windows Defender Credential Guard.<br><br><strong>For basic server protection needs:<\\\/strong><br>The built-in Defender AV with proper configuration can provide first-level protection. Setting up exclusions, scheduling scans at proper intervals, and up-to-date definitions can help ensure effective security.<br><br><strong>For advanced threat detection:<\\\/strong><br>Getting a licensed Microsoft Defender for Endpoint offers behavioral analytics, EDR, and automated investigation and remediation capabilities. This offers advanced response and investigation capabilities.<br><br>\",\"inLanguage\":\"en-US\"},\"inLanguage\":\"en-US\"},{\"@type\":\"Question\",\"@id\":\"https:\\\/\\\/velanremoteitsupport.com\\\/blog\\\/techtips\\\/how-install-defender-antivirus-windows-server\\\/#faq-question-1782192897559\",\"position\":2,\"url\":\"https:\\\/\\\/velanremoteitsupport.com\\\/blog\\\/techtips\\\/how-install-defender-antivirus-windows-server\\\/#faq-question-1782192897559\",\"name\":\"What is the main purpose of Windows Defender firewall?\",\"answerCount\":1,\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Microsoft offers an integrated security system called Windows Defender. Its primary function is to protect your server from threats like access violations and malicious activities. It scans and filters the incoming and outgoing network traffic, files, and websites to ensure protection.\u00a0<br>\",\"inLanguage\":\"en-US\"},\"inLanguage\":\"en-US\"},{\"@type\":\"Question\",\"@id\":\"https:\\\/\\\/velanremoteitsupport.com\\\/blog\\\/techtips\\\/how-install-defender-antivirus-windows-server\\\/#faq-question-1782192954890\",\"position\":3,\"url\":\"https:\\\/\\\/velanremoteitsupport.com\\\/blog\\\/techtips\\\/how-install-defender-antivirus-windows-server\\\/#faq-question-1782192954890\",\"name\":\"Can Windows Defender remove the need for other antivirus software in Windows Server 2016 and 2019?\",\"answerCount\":1,\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Defender indeed covers all layers of basic protection. But trusting only Defender is not advisable. Many paid antivirus tools offer advanced and stronger security frameworks. Depending on your safety needs and the confidentiality of your data, you can opt for additional security over Defender.<br>\",\"inLanguage\":\"en-US\"},\"inLanguage\":\"en-US\"},{\"@type\":\"Question\",\"@id\":\"https:\\\/\\\/velanremoteitsupport.com\\\/blog\\\/techtips\\\/how-install-defender-antivirus-windows-server\\\/#faq-question-1782192965457\",\"position\":4,\"url\":\"https:\\\/\\\/velanremoteitsupport.com\\\/blog\\\/techtips\\\/how-install-defender-antivirus-windows-server\\\/#faq-question-1782192965457\",\"name\":\"What version of Microsoft Defender do I need to be safe against the 2026 zero-days?\",\"answerCount\":1,\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Your system must run Engine Version 1.1.26040.8 \\\/ 1.1.26050.11 or later. You can verify this by opening <br><strong>Windows Security > Settings > About<\\\/strong>. If your version is lower, trigger an update manually via Windows Update immediately<br>\",\"inLanguage\":\"en-US\"},\"inLanguage\":\"en-US\"},{\"@type\":\"HowTo\",\"@id\":\"https:\\\/\\\/velanremoteitsupport.com\\\/blog\\\/techtips\\\/how-install-defender-antivirus-windows-server\\\/#howto-1\",\"name\":\"How to Install Windows Defender Antivirus in Windows\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/velanremoteitsupport.com\\\/blog\\\/techtips\\\/how-install-defender-antivirus-windows-server\\\/#article\"},\"description\":\"<strong>Checking the presence of Defender<\\\/strong><br>\",\"step\":[{\"@type\":\"HowToStep\",\"url\":\"https:\\\/\\\/velanremoteitsupport.com\\\/blog\\\/techtips\\\/how-install-defender-antivirus-windows-server\\\/#how-to-step-1782129906383\",\"name\":\"You may use PowerShell to see if Windows Defender Antivirus is already installed in your server edition:\",\"itemListElement\":[{\"@type\":\"HowToDirection\",\"text\":\"Get-WindowsFeature | Where-Object {$_. name -like \u201c*defender*\u201d} |ftName,DisplayName,Installstate\"}],\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/velanremoteitsupport.com\\\/blog\\\/techtips\\\/how-install-defender-antivirus-windows-server\\\/#schema-image-df6613163eab688e8fdeed267a908c9f\",\"url\":\"https:\\\/\\\/velanremoteitsupport.com\\\/blog\\\/wp-content\\\/uploads\\\/2026\\\/06\\\/check-windows-defender-antivirus-installation-status.png\",\"contentUrl\":\"https:\\\/\\\/velanremoteitsupport.com\\\/blog\\\/wp-content\\\/uploads\\\/2026\\\/06\\\/check-windows-defender-antivirus-installation-status.png\",\"width\":622,\"height\":83,\"caption\":\"Checking Windows Defender Antivirus presence using PowerShell's Get-WindowsFeature cmdlet\"}},{\"@type\":\"HowToStep\",\"url\":\"https:\\\/\\\/velanremoteitsupport.com\\\/blog\\\/techtips\\\/how-install-defender-antivirus-windows-server\\\/#how-to-step-1782130549379\",\"name\":\"Defender Antivirus GUI Installation in Windows 2016\",\"itemListElement\":[{\"@type\":\"HowToDirection\",\"text\":\"Windows Server 2016 does not provide the Defender Antivirus GUI as a standard setting. So, we need to install it manually.We can use the 'Server Manager' console to install the user interface. The utility provides a simple graphical interface so that you do not need PowerShell commands for installation.Add Roles and Features -> Features -> Windows Defender Features -> GUI for Windows Defender feature\"}],\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/velanremoteitsupport.com\\\/blog\\\/techtips\\\/how-install-defender-antivirus-windows-server\\\/#schema-image-50bdc31c0be8fd1f2d544edde974efd9\",\"url\":\"https:\\\/\\\/velanremoteitsupport.com\\\/blog\\\/wp-content\\\/uploads\\\/2026\\\/06\\\/gui-installation-2016-window.png\",\"contentUrl\":\"https:\\\/\\\/velanremoteitsupport.com\\\/blog\\\/wp-content\\\/uploads\\\/2026\\\/06\\\/gui-installation-2016-window.png\",\"width\":702,\"height\":501,\"caption\":\"Installing the Windows Defender Antivirus GUI on Windows Server 2016 via Server Manager\"}},{\"@type\":\"HowToStep\",\"url\":\"https:\\\/\\\/velanremoteitsupport.com\\\/blog\\\/techtips\\\/how-install-defender-antivirus-windows-server\\\/#how-to-step-1782131295159\",\"name\":\"Enabling Windows Defender antivirus GUI with PowerShell command\",\"itemListElement\":[{\"@type\":\"HowToDirection\",\"text\":\"The following command installs the Windows Defender GUI. System managers can control Defender through a visual interface instead of using commands.Install-WindowsFeature -Name Windows-Defender-GUI\"}],\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/velanremoteitsupport.com\\\/blog\\\/techtips\\\/how-install-defender-antivirus-windows-server\\\/#schema-image-c20a0c23bcc7ebae5969e95c3d801e93\",\"url\":\"https:\\\/\\\/velanremoteitsupport.com\\\/blog\\\/wp-content\\\/uploads\\\/2026\\\/06\\\/enable-windows-defender-antivirus.png\",\"contentUrl\":\"https:\\\/\\\/velanremoteitsupport.com\\\/blog\\\/wp-content\\\/uploads\\\/2026\\\/06\\\/enable-windows-defender-antivirus.png\",\"width\":539,\"height\":305,\"caption\":\"Installing the Windows Defender Antivirus GUI on Windows Server using a PowerShell command\"}},{\"@type\":\"HowToStep\",\"url\":\"https:\\\/\\\/velanremoteitsupport.com\\\/blog\\\/techtips\\\/how-install-defender-antivirus-windows-server\\\/#how-to-step-1782131551645\",\"name\":\"Error in Defender Settings\",\"itemListElement\":[{\"@type\":\"HowToDirection\",\"text\":\"Windows Server 2019's Defender GUI is constructed upon the APPX program. Administrators can access it from Settings > Update & Security > Windows Security.You can use the menu 'Virus & threat protection' for configuring Defender, viewing security alerts, and scheduling scanning.\"}],\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/velanremoteitsupport.com\\\/blog\\\/techtips\\\/how-install-defender-antivirus-windows-server\\\/#schema-image-37a30153ca796db3888468c855c08ce8\",\"url\":\"https:\\\/\\\/velanremoteitsupport.com\\\/blog\\\/wp-content\\\/uploads\\\/2026\\\/06\\\/error-defender-setting-window-server.png\",\"contentUrl\":\"https:\\\/\\\/velanremoteitsupport.com\\\/blog\\\/wp-content\\\/uploads\\\/2026\\\/06\\\/error-defender-setting-window-server.png\",\"width\":609,\"height\":463,\"caption\":\"Accessing Windows Defender Antivirus settings through Windows Security in Windows Server 2019\"}},{\"@type\":\"HowToStep\",\"url\":\"https:\\\/\\\/velanremoteitsupport.com\\\/blog\\\/techtips\\\/how-install-defender-antivirus-windows-server\\\/#how-to-step-1782131822471\",\"name\":\"If the Windows Security app does not open and shows the message \\\"You'll need a new app to open this Windows Defender,\\\" we can understand that the app may be damaged or not registered correctly in Windows.\",\"itemListElement\":[{\"@type\":\"HowToDirection\",\"text\":\"For this, you need to re-register the APPX programme using the PowerShell command                                        Add-AppxPackage -Register -DisableDevelopmentMode \u201cC:\\\\Windows\\\\SystemApps\\\\Microsoft.Windows.SecHealthUI_cw5n1h2txyewy\\\\AppXManifest.xml\u201d  If the UWP (APPX) program has been removed completely, then you can manually restore it following the similar procedure used to restore a Microsoft Store application.\"}],\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/velanremoteitsupport.com\\\/blog\\\/techtips\\\/how-install-defender-antivirus-windows-server\\\/#schema-image-ec0114109913f4374c7a9727b8ec8e8b\",\"url\":\"https:\\\/\\\/velanremoteitsupport.com\\\/blog\\\/wp-content\\\/uploads\\\/2026\\\/06\\\/register-appx-programme.png\",\"contentUrl\":\"https:\\\/\\\/velanremoteitsupport.com\\\/blog\\\/wp-content\\\/uploads\\\/2026\\\/06\\\/register-appx-programme.png\",\"width\":647,\"height\":305,\"caption\":\"Re-registering the Windows Defender Security Center APPX package via PowerShell to fix the GUI error\"}},{\"@type\":\"HowToStep\",\"url\":\"https:\\\/\\\/velanremoteitsupport.com\\\/blog\\\/techtips\\\/how-install-defender-antivirus-windows-server\\\/#how-to-step-1782192141461\",\"name\":\"PowerShell command for uninstalling Windows Defender GUI\",\"itemListElement\":[{\"@type\":\"HowToDirection\",\"text\":\"Windows Defender can be removed using Server Manager or the PowerShell command:Uninstall-WindowsFeature -Name Windows-DefenderNote that if the server does not have any other strong antivirus software, it is highly recommended not to uninstall Defender.\"}]}],\"inLanguage\":\"en-US\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"How to Install Defender Antivirus on Windows 2019 & 2016?","description":"Learn how to install Defender Antivirus on Windows Server 2016 & 2019 using PowerShell or Server Manager. 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It provides protection against various threats in real-time.<br>The Defender Antivirus integrates with tools like Microsoft Defender for Endpoint, Windows Defender System Guard, and Windows Defender Credential Guard.<br><br><strong>For basic server protection needs:<\/strong><br>The built-in Defender AV with proper configuration can provide first-level protection. Setting up exclusions, scheduling scans at proper intervals, and up-to-date definitions can help ensure effective security.<br><br><strong>For advanced threat detection:<\/strong><br>Getting a licensed Microsoft Defender for Endpoint offers behavioral analytics, EDR, and automated investigation and remediation capabilities. This offers advanced response and investigation capabilities.<br><br>","inLanguage":"en-US"},"inLanguage":"en-US"},{"@type":"Question","@id":"https:\/\/velanremoteitsupport.com\/blog\/techtips\/how-install-defender-antivirus-windows-server\/#faq-question-1782192897559","position":2,"url":"https:\/\/velanremoteitsupport.com\/blog\/techtips\/how-install-defender-antivirus-windows-server\/#faq-question-1782192897559","name":"What is the main purpose of Windows Defender firewall?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"Microsoft offers an integrated security system called Windows Defender. Its primary function is to protect your server from threats like access violations and malicious activities. It scans and filters the incoming and outgoing network traffic, files, and websites to ensure protection.\u00a0<br>","inLanguage":"en-US"},"inLanguage":"en-US"},{"@type":"Question","@id":"https:\/\/velanremoteitsupport.com\/blog\/techtips\/how-install-defender-antivirus-windows-server\/#faq-question-1782192954890","position":3,"url":"https:\/\/velanremoteitsupport.com\/blog\/techtips\/how-install-defender-antivirus-windows-server\/#faq-question-1782192954890","name":"Can Windows Defender remove the need for other antivirus software in Windows Server 2016 and 2019?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"Defender indeed covers all layers of basic protection. But trusting only Defender is not advisable. Many paid antivirus tools offer advanced and stronger security frameworks. Depending on your safety needs and the confidentiality of your data, you can opt for additional security over Defender.<br>","inLanguage":"en-US"},"inLanguage":"en-US"},{"@type":"Question","@id":"https:\/\/velanremoteitsupport.com\/blog\/techtips\/how-install-defender-antivirus-windows-server\/#faq-question-1782192965457","position":4,"url":"https:\/\/velanremoteitsupport.com\/blog\/techtips\/how-install-defender-antivirus-windows-server\/#faq-question-1782192965457","name":"What version of Microsoft Defender do I need to be safe against the 2026 zero-days?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"Your system must run Engine Version 1.1.26040.8 \/ 1.1.26050.11 or later. You can verify this by opening <br><strong>Windows Security > Settings > About<\/strong>. If your version is lower, trigger an update manually via Windows Update immediately<br>","inLanguage":"en-US"},"inLanguage":"en-US"},{"@type":"HowTo","@id":"https:\/\/velanremoteitsupport.com\/blog\/techtips\/how-install-defender-antivirus-windows-server\/#howto-1","name":"How to Install Windows Defender Antivirus in Windows","mainEntityOfPage":{"@id":"https:\/\/velanremoteitsupport.com\/blog\/techtips\/how-install-defender-antivirus-windows-server\/#article"},"description":"<strong>Checking the presence of Defender<\/strong><br>","step":[{"@type":"HowToStep","url":"https:\/\/velanremoteitsupport.com\/blog\/techtips\/how-install-defender-antivirus-windows-server\/#how-to-step-1782129906383","name":"You may use PowerShell to see if Windows Defender Antivirus is already installed in your server edition:","itemListElement":[{"@type":"HowToDirection","text":"Get-WindowsFeature | Where-Object {$_. name -like \u201c*defender*\u201d} |ftName,DisplayName,Installstate"}],"image":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/velanremoteitsupport.com\/blog\/techtips\/how-install-defender-antivirus-windows-server\/#schema-image-df6613163eab688e8fdeed267a908c9f","url":"https:\/\/velanremoteitsupport.com\/blog\/wp-content\/uploads\/2026\/06\/check-windows-defender-antivirus-installation-status.png","contentUrl":"https:\/\/velanremoteitsupport.com\/blog\/wp-content\/uploads\/2026\/06\/check-windows-defender-antivirus-installation-status.png","width":622,"height":83,"caption":"Checking Windows Defender Antivirus presence using PowerShell's Get-WindowsFeature cmdlet"}},{"@type":"HowToStep","url":"https:\/\/velanremoteitsupport.com\/blog\/techtips\/how-install-defender-antivirus-windows-server\/#how-to-step-1782130549379","name":"Defender Antivirus GUI Installation in Windows 2016","itemListElement":[{"@type":"HowToDirection","text":"Windows Server 2016 does not provide the Defender Antivirus GUI as a standard setting. So, we need to install it manually.We can use the 'Server Manager' console to install the user interface. The utility provides a simple graphical interface so that you do not need PowerShell commands for installation.Add Roles and Features -> Features -> Windows Defender Features -> GUI for Windows Defender feature"}],"image":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/velanremoteitsupport.com\/blog\/techtips\/how-install-defender-antivirus-windows-server\/#schema-image-50bdc31c0be8fd1f2d544edde974efd9","url":"https:\/\/velanremoteitsupport.com\/blog\/wp-content\/uploads\/2026\/06\/gui-installation-2016-window.png","contentUrl":"https:\/\/velanremoteitsupport.com\/blog\/wp-content\/uploads\/2026\/06\/gui-installation-2016-window.png","width":702,"height":501,"caption":"Installing the Windows Defender Antivirus GUI on Windows Server 2016 via Server Manager"}},{"@type":"HowToStep","url":"https:\/\/velanremoteitsupport.com\/blog\/techtips\/how-install-defender-antivirus-windows-server\/#how-to-step-1782131295159","name":"Enabling Windows Defender antivirus GUI with PowerShell command","itemListElement":[{"@type":"HowToDirection","text":"The following command installs the Windows Defender GUI. System managers can control Defender through a visual interface instead of using commands.Install-WindowsFeature -Name Windows-Defender-GUI"}],"image":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/velanremoteitsupport.com\/blog\/techtips\/how-install-defender-antivirus-windows-server\/#schema-image-c20a0c23bcc7ebae5969e95c3d801e93","url":"https:\/\/velanremoteitsupport.com\/blog\/wp-content\/uploads\/2026\/06\/enable-windows-defender-antivirus.png","contentUrl":"https:\/\/velanremoteitsupport.com\/blog\/wp-content\/uploads\/2026\/06\/enable-windows-defender-antivirus.png","width":539,"height":305,"caption":"Installing the Windows Defender Antivirus GUI on Windows Server using a PowerShell command"}},{"@type":"HowToStep","url":"https:\/\/velanremoteitsupport.com\/blog\/techtips\/how-install-defender-antivirus-windows-server\/#how-to-step-1782131551645","name":"Error in Defender Settings","itemListElement":[{"@type":"HowToDirection","text":"Windows Server 2019's Defender GUI is constructed upon the APPX program. Administrators can access it from Settings > Update & Security > Windows Security.You can use the menu 'Virus & threat protection' for configuring Defender, viewing security alerts, and scheduling scanning."}],"image":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/velanremoteitsupport.com\/blog\/techtips\/how-install-defender-antivirus-windows-server\/#schema-image-37a30153ca796db3888468c855c08ce8","url":"https:\/\/velanremoteitsupport.com\/blog\/wp-content\/uploads\/2026\/06\/error-defender-setting-window-server.png","contentUrl":"https:\/\/velanremoteitsupport.com\/blog\/wp-content\/uploads\/2026\/06\/error-defender-setting-window-server.png","width":609,"height":463,"caption":"Accessing Windows Defender Antivirus settings through Windows Security in Windows Server 2019"}},{"@type":"HowToStep","url":"https:\/\/velanremoteitsupport.com\/blog\/techtips\/how-install-defender-antivirus-windows-server\/#how-to-step-1782131822471","name":"If the Windows Security app does not open and shows the message \"You'll need a new app to open this Windows Defender,\" we can understand that the app may be damaged or not registered correctly in Windows.","itemListElement":[{"@type":"HowToDirection","text":"For this, you need to re-register the APPX programme using the PowerShell command                                        Add-AppxPackage -Register -DisableDevelopmentMode \u201cC:\\Windows\\SystemApps\\Microsoft.Windows.SecHealthUI_cw5n1h2txyewy\\AppXManifest.xml\u201d  If the UWP (APPX) program has been removed completely, then you can manually restore it following the similar procedure used to restore a Microsoft Store application."}],"image":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/velanremoteitsupport.com\/blog\/techtips\/how-install-defender-antivirus-windows-server\/#schema-image-ec0114109913f4374c7a9727b8ec8e8b","url":"https:\/\/velanremoteitsupport.com\/blog\/wp-content\/uploads\/2026\/06\/register-appx-programme.png","contentUrl":"https:\/\/velanremoteitsupport.com\/blog\/wp-content\/uploads\/2026\/06\/register-appx-programme.png","width":647,"height":305,"caption":"Re-registering the Windows Defender Security Center APPX package via PowerShell to fix the GUI error"}},{"@type":"HowToStep","url":"https:\/\/velanremoteitsupport.com\/blog\/techtips\/how-install-defender-antivirus-windows-server\/#how-to-step-1782192141461","name":"PowerShell command for uninstalling Windows Defender GUI","itemListElement":[{"@type":"HowToDirection","text":"Windows Defender can be removed using Server Manager or the PowerShell command:Uninstall-WindowsFeature -Name Windows-DefenderNote that if the server does not have any other strong antivirus software, it is highly recommended not to uninstall Defender."}]}],"inLanguage":"en-US"}]}},"_links":{"self":[{"href":"https:\/\/velanremoteitsupport.com\/blog\/wp-json\/wp\/v2\/techtips\/278","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/velanremoteitsupport.com\/blog\/wp-json\/wp\/v2\/techtips"}],"about":[{"href":"https:\/\/velanremoteitsupport.com\/blog\/wp-json\/wp\/v2\/types\/techtips"}],"author":[{"embeddable":true,"href":"https:\/\/velanremoteitsupport.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/velanremoteitsupport.com\/blog\/wp-json\/wp\/v2\/comments?post=278"}],"version-history":[{"count":18,"href":"https:\/\/velanremoteitsupport.com\/blog\/wp-json\/wp\/v2\/techtips\/278\/revisions"}],"predecessor-version":[{"id":310,"href":"https:\/\/velanremoteitsupport.com\/blog\/wp-json\/wp\/v2\/techtips\/278\/revisions\/310"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/velanremoteitsupport.com\/blog\/wp-json\/wp\/v2\/media\/339"}],"wp:attachment":[{"href":"https:\/\/velanremoteitsupport.com\/blog\/wp-json\/wp\/v2\/media?parent=278"}],"wp:term":[{"taxonomy":"techtips_category","embeddable":true,"href":"https:\/\/velanremoteitsupport.com\/blog\/wp-json\/wp\/v2\/techtips_category?post=278"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}