{"id":355934,"date":"2024-03-07T16:39:57","date_gmt":"2024-03-07T16:39:57","guid":{"rendered":"\/forum\/forums\/topic\/fluent-failed-to-validate-the-connection-after-a-certain-time\/"},"modified":"2024-03-07T16:39:57","modified_gmt":"2024-03-07T16:39:57","slug":"fluent-failed-to-validate-the-connection-after-a-certain-time","status":"closed","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/fluent-failed-to-validate-the-connection-after-a-certain-time\/","title":{"rendered":"&#8220;FLUENT failed to validate the connection&#8221; after a certain time"},"content":{"rendered":"<p>Hi,<\/p>\n<p>I have recently installed Ansys 2024R1 and since, I regularly have the error &#8220;FLUENT failed to validate the connection&#8221; from workbench.<br \/>Fluent is running fine until the following message appears in the console :<\/p>\n<p>&nbsp;from 127.0.0.1 on port 51260<br \/>[&#8230;]<br \/>&nbsp;from 127.0.0.1 on port 51391<br \/>[mpiexec@j5023-12] HYD_dmx_wait_for_event (..\\windows\\src\\hydra_demux.c:231): unable to post next accept<br \/>[mpiexec@j5023-12] wmain (mpiexec.c:2086): error waiting for event<br \/>&nbsp;Error in the fluent (fl) process : ended abnormally<\/p>\n<p>Fluent is automatically closed. And if I try to reopen it, the &#8220;FLUENT failed to validate the connection&#8221; appears. Closing Workbench and reopen it fixes the issue for a few hours.<\/p>\n<p>I already tried most of the solutions proposed on the forums. Could this be linked to having 2023R2 and 2024R1 installed at the same time ?<\/p>\n<p>Thanks,<\/p>\n","protected":false},"template":"","class_list":["post-355934","topic","type-topic","status-closed","hentry","topic-tag-ansys-workbench","topic-tag-error","topic-tag-fluent"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.10 - aioseo.com -->\n\t<meta name=\"description\" content=\"Hi,I have recently installed Ansys 2024R1 and since, I regularly have the error &quot;FLUENT failed to validate the connection&quot; from workbench.Fluent is running fine until the following message appears in the console : from 127.0.0.1 on port 51260[...] from 127.0.0.1 on port 51391[mpiexec@j5023-12] HYD_dmx_wait_for_event (..\\windows\\src\\hydra_demux.c:231): unable to post next accept[mpiexec@j5023-12] wmain (mpiexec.c:2086): error waiting for event Error in\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<link rel=\"canonical\" href=\"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/fluent-failed-to-validate-the-connection-after-a-certain-time\/\" \/>\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=\"\u201cFLUENT failed to validate the connection\u201d after a certain time | Ansys Learning Forum\" \/>\n\t\t<meta property=\"og:description\" content=\"Hi,I have recently installed Ansys 2024R1 and since, I regularly have the error &quot;FLUENT failed to validate the connection&quot; from workbench.Fluent is running fine until the following message appears in the console : from 127.0.0.1 on port 51260[...] from 127.0.0.1 on port 51391[mpiexec@j5023-12] HYD_dmx_wait_for_event (..\\windows\\src\\hydra_demux.c:231): unable to post next accept[mpiexec@j5023-12] wmain (mpiexec.c:2086): error waiting for event Error in\" \/>\n\t\t<meta property=\"og:url\" content=\"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/fluent-failed-to-validate-the-connection-after-a-certain-time\/\" \/>\n\t\t<meta property=\"article:published_time\" content=\"2024-03-07T16:39:57+00:00\" \/>\n\t\t<meta property=\"article:modified_time\" content=\"2024-03-07T16:39:57+00:00\" \/>\n\t\t<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n\t\t<meta name=\"twitter:title\" content=\"\u201cFLUENT failed to validate the connection\u201d after a certain time | Ansys Learning Forum\" \/>\n\t\t<meta name=\"twitter:description\" content=\"Hi,I have recently installed Ansys 2024R1 and since, I regularly have the error &quot;FLUENT failed to validate the connection&quot; from workbench.Fluent is running fine until the following message appears in the console : from 127.0.0.1 on port 51260[...] from 127.0.0.1 on port 51391[mpiexec@j5023-12] HYD_dmx_wait_for_event (..\\windows\\src\\hydra_demux.c:231): unable to post next accept[mpiexec@j5023-12] wmain (mpiexec.c:2086): error waiting for event Error in\" \/>\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\\\/fluent-failed-to-validate-the-connection-after-a-certain-time\\\/#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-tag\\\/fluent\\\/#listItem\",\"name\":\"fluent\"},\"previousItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum#listItem\",\"name\":\"Home\"}},{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/topic-tag\\\/fluent\\\/#listItem\",\"position\":3,\"name\":\"fluent\",\"item\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/topic-tag\\\/fluent\\\/\",\"nextItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/topic\\\/fluent-failed-to-validate-the-connection-after-a-certain-time\\\/#listItem\",\"name\":\"&#8220;FLUENT failed to validate the connection&#8221; 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