{"id":3517,"date":"2025-06-19T09:24:22","date_gmt":"2025-06-19T13:24:22","guid":{"rendered":"https:\/\/easy-admin.ca\/?p=3517"},"modified":"2025-09-08T11:27:31","modified_gmt":"2025-09-08T15:27:31","slug":"windows-11-udp-flood-issue-caused-by-print-dialog-detection-and-fix","status":"publish","type":"post","link":"https:\/\/easy-admin.ca\/index.php\/2025\/06\/19\/windows-11-udp-flood-issue-caused-by-print-dialog-detection-and-fix\/","title":{"rendered":"Windows 11 UDP Flood Issue Caused by Print Dialog: Detection and Fix"},"content":{"rendered":"\n<p>On Windows 11 systems, a UDP flood may occur on specific ports (3289, 22222, and others) during printing operations. This issue appears to be linked to the new Windows 11 print dialog and is associated with the <code>dasHost.exe<\/code> process. <\/p>\n\n\n\n<p>The resulting network flood can cause problems such as network slowdowns, printers going offline, and disruptions to custom software applications like Microsoft FoxPRO and Visual Studio.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"518\" height=\"690\" src=\"https:\/\/easy-admin.ca\/wp-content\/uploads\/2025\/06\/legacy-print-fix-udp-flood-png.png\" alt=\"\" class=\"wp-image-3605\" srcset=\"https:\/\/easy-admin.ca\/wp-content\/uploads\/2025\/06\/legacy-print-fix-udp-flood-png.png 518w, https:\/\/easy-admin.ca\/wp-content\/uploads\/2025\/06\/legacy-print-fix-udp-flood-png-225x300.png 225w\" sizes=\"auto, (max-width: 518px) 100vw, 518px\" \/><\/figure>\n\n\n\n<p><strong>How to Identify the Issue:<\/strong><\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Monitor Network Traffic:<\/strong><br>Open <strong>Task Manager<\/strong> (Ctrl + Shift + Esc), go to <strong>Resource Monitor<\/strong>, and check the <strong>Network<\/strong> tab for unusually high traffic on ports 3289, 22222, or 10004.<\/li>\n\n\n\n<li><strong>Identify the Source Process:<\/strong><br>Use <strong>Wireshark<\/strong> to capture and analyze network traffic, helping pinpoint the application or process responsible for the UDP flood.<\/li>\n\n\n\n<li><strong>Watch for Related Symptoms:<\/strong><br>Signs of this issue include:\n<ul class=\"wp-block-list\">\n<li>Slow or unstable internet connectivity<\/li>\n\n\n\n<li>Printers randomly going offline, especially receipt or thermal printers<\/li>\n\n\n\n<li>Other devices on the network (e.g., access control systems) experiencing disruptions<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n\n\n\n<p><strong>Recommended Solutions:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Revert to the <strong>classic Windows print dialog<\/strong> to bypass the issue.<\/li>\n\n\n\n<li><strong>Disable the Device Association Service<\/strong> to prevent the problematic behavior.<\/li>\n\n\n\n<li>Apply a <strong>Group Policy setting<\/strong> to block automatic device installations, which can help control the behavior of <code>dasHost.exe<\/code>.<\/li>\n<\/ul>\n\n\n\n<p><strong>Quick Fix: Switch to the Classic Legacy Windows Print Dialog<\/strong><\/p>\n\n\n\n<p>In Windows 11, you can revert to the legacy print dialog by following these steps:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Open <strong>Command Prompt<\/strong> as an administrator:\n<ul class=\"wp-block-list\">\n<li>Press <code>Windows Key<\/code>, type <strong>cmd<\/strong>, right-click on <strong>Command Prompt<\/strong>, and select <strong>Run as administrator<\/strong>.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>In the Command Prompt window, type the following command and press <strong>Enter<\/strong>:<\/li>\n<\/ol>\n\n\n\n<pre class=\"wp-block-preformatted\">reg add \"HKCU\\Software\\Microsoft\\Print\\UnifiedPrintDialog\" \/v \"PreferLegacyPrintDialog\" \/d 1 \/t REG_DWORD \/f<code><br><\/code><\/pre>\n\n\n\n<ol start=\"3\" class=\"wp-block-list\">\n<li>Restart the computer for the changes to take effect and to clear the open UDP ports.<\/li>\n<\/ol>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"498\" height=\"543\" src=\"https:\/\/easy-admin.ca\/wp-content\/uploads\/2025\/06\/legacy-print-fix-udp-flood-dialog-png.png\" alt=\"\" class=\"wp-image-3607\" srcset=\"https:\/\/easy-admin.ca\/wp-content\/uploads\/2025\/06\/legacy-print-fix-udp-flood-dialog-png.png 498w, https:\/\/easy-admin.ca\/wp-content\/uploads\/2025\/06\/legacy-print-fix-udp-flood-dialog-png-275x300.png 275w\" sizes=\"auto, (max-width: 498px) 100vw, 498px\" \/><\/figure>\n\n\n\n<p>You\u2019re now back to using the classic Windows 10 legacy print dialog.<\/p>\n\n\n\n<p><strong><em>Enjoy!<\/em><\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>On Windows 11 systems, a UDP flood may occur on specific ports (3289, 22222, and others) during printing operations. This issue appears to be linked to the new Windows 11 print dialog and is associated with the dasHost.exe process. The resulting network flood can cause problems such as network slowdowns, printers going offline, and disruptions &hellip; <a href=\"https:\/\/easy-admin.ca\/index.php\/2025\/06\/19\/windows-11-udp-flood-issue-caused-by-print-dialog-detection-and-fix\/\" class=\"more-link\">Continue reading <span class=\"screen-reader-text\">Windows 11 UDP Flood Issue Caused by Print Dialog: Detection and Fix<\/span><\/a><\/p>\n","protected":false},"author":2,"featured_media":3604,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"slim_seo":{"title":"Windows 11 UDP Flood Issue Caused by Print Dialog: Detection and Fix - HP Server","description":"On Windows 11 systems, a UDP flood may occur on specific ports (3289, 22222, and others) during printing operations. This issue appears to be linked to the new"},"footnotes":""},"categories":[1],"tags":[],"class_list":["post-3517","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-general"],"_links":{"self":[{"href":"https:\/\/easy-admin.ca\/index.php\/wp-json\/wp\/v2\/posts\/3517","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/easy-admin.ca\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/easy-admin.ca\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/easy-admin.ca\/index.php\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/easy-admin.ca\/index.php\/wp-json\/wp\/v2\/comments?post=3517"}],"version-history":[{"count":0,"href":"https:\/\/easy-admin.ca\/index.php\/wp-json\/wp\/v2\/posts\/3517\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/easy-admin.ca\/index.php\/wp-json\/wp\/v2\/media\/3604"}],"wp:attachment":[{"href":"https:\/\/easy-admin.ca\/index.php\/wp-json\/wp\/v2\/media?parent=3517"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/easy-admin.ca\/index.php\/wp-json\/wp\/v2\/categories?post=3517"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/easy-admin.ca\/index.php\/wp-json\/wp\/v2\/tags?post=3517"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}