{"id":8964,"date":"2026-10-20T13:27:21","date_gmt":"2026-10-20T10:27:21","guid":{"rendered":"https:\/\/support.withsecure.com\/support-articles\/after-uninstallation-of-elements-agent-from-windows-device-it-loses-internet-or-network-connectivity\/"},"modified":"2026-10-20T13:27:21","modified_gmt":"2026-10-20T10:27:21","slug":"after-uninstallation-of-elements-agent-from-windows-device-it-loses-internet-or-network-connectivity","status":"publish","type":"support_article","link":"https:\/\/support.withsecure.com\/fr\/support-articles\/after-uninstallation-of-elements-agent-from-windows-device-it-loses-internet-or-network-connectivity\/","title":{"rendered":"After uninstallation of Elements Agent from Windows device it loses internet or network connectivity"},"content":{"rendered":"<h3>Issue:<\/h3>\n<p>After uninstalling Elements Endpoint Protection Agent from a Windows device, the computer loses internet connection. Every network connection is blocked.\u00a0<\/p>\n<h3>Resolution:<\/h3>\n<p>When Elements Agent is uninstalled, it will remove the following outbound firewall rules created by the WithSecure firewall profile:<\/p>\n<ul>\n<li>Allow outbound UDP traffic<\/li>\n<li>Allow outbound TCP traffic<\/li>\n<\/ul>\n<p>This means that if the Windows Defender Firewall default outbound setting is set as:\u00a0<\/p>\n<ul>\n<li>Outbound connection that do not match a rule are blocked<\/li>\n<\/ul>\n<p>The device will not be able to connect anywhere since firewall is blocking the connection.<\/p>\n<p>You need to either:<\/p>\n<ul>\n<li>Manually set the default rule for unknown outbound connection to be allowed<\/li>\n<li>Restore the default policy for Windows firewall<\/li>\n<\/ul>\n<p>To manually set the default rule for unknown outbound connection to be allowed:<\/p>\n<ol>\n<li>Open <strong>Windows Defender Firewall with Advanced Security <\/strong>on the Windows computer<\/li>\n<li>Go to <strong>Action &gt; Properties <\/strong>from the top menu<\/li>\n<li>From the <strong>Domain profile, Private profile <\/strong>and <strong>Public profile <\/strong>tabs, set the <strong>Outbound connections <\/strong>as <strong>Allow (default)<\/strong><\/li>\n<li>Click <strong>OK<\/strong><\/li>\n<\/ol>\n<p>To restore the default policy for Windows firewall:<\/p>\n<ol>\n<li>Open <strong>Windows Defender Firewall with Advanced Security <\/strong>on the Windows computer<\/li>\n<li>Click <strong>Restore Default policy <\/strong>from the right side of the window<\/li>\n<\/ol>\n","protected":false},"excerpt":{"rendered":"<p>After the uninstallation (directly from control panel or from the website console), a few computers lost the network connection (no DHCP), wifi and ethernet are not working.<\/p>\n","protected":false},"template":"","support_article_product":[99],"class_list":["post-8964","support_article","type-support_article","status-publish","hentry"],"acf":{"source_foreign_id":"000007194","source_version":1,"source_system":"salesforce","source_date_updated":"2026-10-20 09:34:11","import_hash":"2b276b62921501299e8f07d7c8b4ca77c44777de","vanilla_article_id":"","vanilla_url":"","vanilla_kb_id":"","vanilla_category_id":"","machine_translated":false,"reactions_helpful_yes":"","reactions_helpful_no":""},"_links":{"self":[{"href":"https:\/\/support.withsecure.com\/fr\/wp-json\/wp\/v2\/support_article\/8964","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/support.withsecure.com\/fr\/wp-json\/wp\/v2\/support_article"}],"about":[{"href":"https:\/\/support.withsecure.com\/fr\/wp-json\/wp\/v2\/types\/support_article"}],"wp:attachment":[{"href":"https:\/\/support.withsecure.com\/fr\/wp-json\/wp\/v2\/media?parent=8964"}],"wp:term":[{"taxonomy":"support_article_product","embeddable":true,"href":"https:\/\/support.withsecure.com\/fr\/wp-json\/wp\/v2\/support_article_product?post=8964"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}