{"id":2669,"date":"2013-10-24T11:59:00","date_gmt":"2013-10-24T11:59:00","guid":{"rendered":"https:\/\/blogs.technet.microsoft.com\/heyscriptingguy\/2013\/10\/24\/powertip-use-powershell-to-configure-windows-defender-signature-updates\/"},"modified":"2013-10-24T11:59:00","modified_gmt":"2013-10-24T11:59:00","slug":"powertip-use-powershell-to-configure-windows-defender-signature-updates","status":"publish","type":"post","link":"https:\/\/devblogs.microsoft.com\/scripting\/powertip-use-powershell-to-configure-windows-defender-signature-updates\/","title":{"rendered":"PowerTip: Use PowerShell to Configure Windows Defender Signature Updates"},"content":{"rendered":"<p><strong>Summary<\/strong>: Use Windows PowerShell&nbsp;4.0 in Windows&nbsp;8.1 to configure Windows Defender signature updates.<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/devblogs.microsoft.com\/wp-content\/uploads\/sites\/29\/2019\/02\/q-for-powertip.jpg\" alt=\"Hey, Scripting Guy! Question\" \/>&nbsp;How can I use Windows PowerShell to configure Windows Defender signature updates?<\/p>\n<p style=\"padding-left: 30px\"><img decoding=\"async\" src=\"https:\/\/devblogs.microsoft.com\/wp-content\/uploads\/sites\/29\/2019\/02\/a-for-powertip.jpg\" alt=\"Hey, Scripting Guy! Answer\" \/>&nbsp;Use the&nbsp;<strong>Set-MpPreference<\/strong>&nbsp;function and specify a value for the&nbsp;<strong>SignatureScheduleDay<\/strong>&nbsp;parameter <br \/>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; (to update signatures daily, use the value of 0):<\/p>\n<p style=\"padding-left: 120px\">Set-MpPreference -SignatureScheduleDay 0<\/p>\n<p><a href=\"https:\/\/devblogs.microsoft.com\/wp-content\/uploads\/sites\/29\/2019\/02\/7610.Dr.ScriptoForTips.jpg\"><img decoding=\"async\" src=\"https:\/\/devblogs.microsoft.com\/wp-content\/uploads\/sites\/29\/2019\/02\/7610.Dr.ScriptoForTips.jpg\" alt=\"\" border=\"0\" \/><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Summary: Use Windows PowerShell&nbsp;4.0 in Windows&nbsp;8.1 to configure Windows Defender signature updates. &nbsp;How can I use Windows PowerShell to configure Windows Defender signature updates? &nbsp;Use the&nbsp;Set-MpPreference&nbsp;function and specify a value for the&nbsp;SignatureScheduleDay&nbsp;parameter &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; (to update signatures daily, use the value of 0): Set-MpPreference -SignatureScheduleDay 0<\/p>\n","protected":false},"author":596,"featured_media":87096,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[356,3,45],"class_list":["post-2669","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-scripting","tag-powertip","tag-scripting-guy","tag-windows-powershell"],"acf":[],"blog_post_summary":"<p>Summary: Use Windows PowerShell&nbsp;4.0 in Windows&nbsp;8.1 to configure Windows Defender signature updates. &nbsp;How can I use Windows PowerShell to configure Windows Defender signature updates? &nbsp;Use the&nbsp;Set-MpPreference&nbsp;function and specify a value for the&nbsp;SignatureScheduleDay&nbsp;parameter &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; (to update signatures daily, use the value of 0): Set-MpPreference -SignatureScheduleDay 0<\/p>\n","_links":{"self":[{"href":"https:\/\/devblogs.microsoft.com\/scripting\/wp-json\/wp\/v2\/posts\/2669","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/devblogs.microsoft.com\/scripting\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/devblogs.microsoft.com\/scripting\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/devblogs.microsoft.com\/scripting\/wp-json\/wp\/v2\/users\/596"}],"replies":[{"embeddable":true,"href":"https:\/\/devblogs.microsoft.com\/scripting\/wp-json\/wp\/v2\/comments?post=2669"}],"version-history":[{"count":0,"href":"https:\/\/devblogs.microsoft.com\/scripting\/wp-json\/wp\/v2\/posts\/2669\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/devblogs.microsoft.com\/scripting\/wp-json\/wp\/v2\/media\/87096"}],"wp:attachment":[{"href":"https:\/\/devblogs.microsoft.com\/scripting\/wp-json\/wp\/v2\/media?parent=2669"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/devblogs.microsoft.com\/scripting\/wp-json\/wp\/v2\/categories?post=2669"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/devblogs.microsoft.com\/scripting\/wp-json\/wp\/v2\/tags?post=2669"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}