{"id":463198,"date":"2026-09-01T16:48:43","date_gmt":"2026-09-01T16:48:43","guid":{"rendered":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/aedt-student-2025-r21-hfss-flexnet-error-5357\/"},"modified":"2026-09-01T16:48:43","modified_gmt":"2026-09-01T16:48:43","slug":"aedt-student-2025-r21-hfss-flexnet-error-5357","status":"publish","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/aedt-student-2025-r21-hfss-flexnet-error-5357\/","title":{"rendered":"AEDT Student 2025 R2.1 \u2013 HFSS FlexNet error -5,357"},"content":{"rendered":"<p>I installed the official Ansys Electronics Desktop Student 2025 R2.1 package on Windows 11 Home 25H2 (build 26200.9168).<\/p>\n<p>The installer and the EM_config.py configuration now complete successfully without warnings. The application launches from:<\/p>\n<p>C:Program FilesANSYS IncANSYS Studentv252AnsysEMansysedtsv.exe<\/p>\n<p>However, whenever I insert a new HFSS design, I receive this licensing error:<\/p>\n<p>No such feature exists.<br \/>Feature: hfss_gui<br \/>FlexNet Licensing error: -5,357<\/p>\n<p>The licence path shown in the error is a generated folder under %LOCALAPPDATA%Temp. I have restarted Windows, rerun the configuration successfully, and completed an in-place reinstall using the official installer, but the same error remains.<\/p>\n<p>The About window confirms &ldquo;Ansys Electromagnetics Student 2025 R2&rdquo; and &ldquo;Ansys Common Licensing.&rdquo; Please confirm whether the Student licence package is missing the hfss_gui feature and provide the official repair procedure or corrected licence package. HFSS is required urgently for my academic project.<\/p>\n","protected":false},"template":"","class_list":["post-463198","topic","type-topic","status-publish","hentry"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.10 - aioseo.com -->\n\t<meta name=\"description\" content=\"I installed the official Ansys Electronics Desktop Student 2025 R2.1 package on Windows 11 Home 25H2 (build 26200.9168). The installer and the EM_config.py configuration now complete successfully without warnings. The application launches from: C:Program FilesANSYS IncANSYS Studentv252AnsysEMansysedtsv.exe However, whenever I insert a new HFSS design, I receive this licensing error: No such feature exists.Feature: hfss_guiFlexNet\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<link rel=\"canonical\" href=\"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/aedt-student-2025-r21-hfss-flexnet-error-5357\/\" \/>\n\t<meta name=\"generator\" content=\"All in One SEO (AIOSEO) 4.9.10\" \/>\n\t\t<meta property=\"og:locale\" content=\"en_US\" \/>\n\t\t<meta property=\"og:site_name\" content=\"Ansys Learning Forum | Ansys Innovation Space\" \/>\n\t\t<meta property=\"og:type\" content=\"article\" \/>\n\t\t<meta property=\"og:title\" content=\"AEDT Student 2025 R2.1 \u2013 HFSS FlexNet error -5,357 | Ansys Learning Forum\" \/>\n\t\t<meta property=\"og:description\" content=\"I installed the official Ansys Electronics Desktop Student 2025 R2.1 package on Windows 11 Home 25H2 (build 26200.9168). The installer and the EM_config.py configuration now complete successfully without warnings. The application launches from: C:Program FilesANSYS IncANSYS Studentv252AnsysEMansysedtsv.exe However, whenever I insert a new HFSS design, I receive this licensing error: No such feature exists.Feature: hfss_guiFlexNet\" \/>\n\t\t<meta property=\"og:url\" content=\"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/aedt-student-2025-r21-hfss-flexnet-error-5357\/\" \/>\n\t\t<meta property=\"article:published_time\" content=\"2026-09-01T16:48:43+00:00\" \/>\n\t\t<meta property=\"article:modified_time\" content=\"2026-09-01T16:48:43+00:00\" \/>\n\t\t<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n\t\t<meta name=\"twitter:title\" content=\"AEDT Student 2025 R2.1 \u2013 HFSS FlexNet error -5,357 | Ansys Learning Forum\" \/>\n\t\t<meta name=\"twitter:description\" content=\"I installed the official Ansys Electronics Desktop Student 2025 R2.1 package on Windows 11 Home 25H2 (build 26200.9168). The installer and the EM_config.py configuration now complete successfully without warnings. The application launches from: C:Program FilesANSYS IncANSYS Studentv252AnsysEMansysedtsv.exe However, whenever I insert a new HFSS design, I receive this licensing error: No such feature exists.Feature: hfss_guiFlexNet\" \/>\n\t\t<script type=\"application\/ld+json\" class=\"aioseo-schema\">\n\t\t\t{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/topic\\\/aedt-student-2025-r21-hfss-flexnet-error-5357\\\/#breadcrumblist\",\"itemListElement\":[{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum#listItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\",\"nextItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/topics\\\/#listItem\",\"name\":\"Topics\"}},{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/topics\\\/#listItem\",\"position\":2,\"name\":\"Topics\",\"item\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/topics\\\/\",\"nextItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/topic\\\/aedt-student-2025-r21-hfss-flexnet-error-5357\\\/#listItem\",\"name\":\"AEDT Student 2025 R2.1 \\u2013 HFSS FlexNet error -5,357\"},\"previousItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum#listItem\",\"name\":\"Home\"}},{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/topic\\\/aedt-student-2025-r21-hfss-flexnet-error-5357\\\/#listItem\",\"position\":3,\"name\":\"AEDT Student 2025 R2.1 \\u2013 HFSS FlexNet error -5,357\",\"previousItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/topics\\\/#listItem\",\"name\":\"Topics\"}}]},{\"@type\":\"Organization\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/#organization\",\"name\":\"Ansys Learning Forum\",\"description\":\"Ansys Innovation Space\",\"url\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/topic\\\/aedt-student-2025-r21-hfss-flexnet-error-5357\\\/#webpage\",\"url\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/topic\\\/aedt-student-2025-r21-hfss-flexnet-error-5357\\\/\",\"name\":\"AEDT Student 2025 R2.1 \\u2013 HFSS FlexNet error -5,357 | Ansys Learning Forum\",\"description\":\"I installed the official Ansys Electronics Desktop Student 2025 R2.1 package on Windows 11 Home 25H2 (build 26200.9168). The installer and the EM_config.py configuration now complete successfully without warnings. 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The installer and the EM_config.py configuration now complete successfully without warnings. 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The application launches from: C:Program FilesANSYS IncANSYS Studentv252AnsysEMansysedtsv.exe However, whenever I insert a new HFSS design, I receive this licensing error: No such feature exists.Feature: hfss_guiFlexNet"},"aioseo_meta_data":[],"aioseo_breadcrumb":"<div class=\"aioseo-breadcrumbs\"><span class=\"aioseo-breadcrumb\">\n\t\t\t<a href=\"https:\/\/innovationspace.ansys.com\/forum\" title=\"Home\">Home<\/a>\n\t\t<\/span><span class=\"aioseo-breadcrumb-separator\">&raquo;<\/span><span class=\"aioseo-breadcrumb\">\n\t\t\t<a href=\"https:\/\/innovationspace.ansys.com\/forum\/topics\/\" title=\"Topics\">Topics<\/a>\n\t\t<\/span><span class=\"aioseo-breadcrumb-separator\">&raquo;<\/span><span class=\"aioseo-breadcrumb\">\n\t\t\tAEDT Student 2025 R2.1 \u2013 HFSS FlexNet error -5,357\n\t\t<\/span><\/div>","aioseo_breadcrumb_json":[{"label":"Home","link":"https:\/\/innovationspace.ansys.com\/forum"},{"label":"Topics","link":"https:\/\/innovationspace.ansys.com\/forum\/topics\/"},{"label":"AEDT Student 2025 R2.1 \u2013 HFSS FlexNet error -5,357","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/aedt-student-2025-r21-hfss-flexnet-error-5357\/"}],"acf":[],"custom_fields":[{"0":{"_bbp_forum_id":["27793"],"_bbp_topic_id":["463198"],"_bbp_subscription":["725752"],"_bbp_author_ip":[null],"_bbp_last_reply_id":["0"],"_bbp_last_active_id":["463198"],"_bbp_last_active_time":["2026-09-01 16:48:43"],"_bbp_reply_count":["0"],"_bbp_reply_count_hidden":["0"],"_bbp_engagement":["1"],"_bbp_likes_count":["0"],"_btv_view_count":["14"],"application":["HFSS"],"emailnotification":[null],"_bbp_topic_status":["unanswered"]},"test":"niranjana-d2024vitstudent-ac-in"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/463198","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics"}],"about":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/types\/topic"}],"version-history":[{"count":0,"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/463198\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=463198"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}