{"id":171202,"date":"2023-06-05T07:05:55","date_gmt":"2023-06-05T07:05:55","guid":{"rendered":"\/knowledge\/forums\/topic\/fluent-prints-the-message-the-fl-process-could-not-be-started-how-to-overcome-this-issue-for-the-serial-or-parallel-version-of-fluent-when-specifying-t1-or-higher-number-of-cores\/"},"modified":"2023-07-31T12:35:16","modified_gmt":"2023-07-31T12:35:16","slug":"fluent-prints-the-message-the-fl-process-could-not-be-started-how-to-overcome-this-issue-for-the-serial-or-parallel-version-of-fluent-when-specifying-t1-or-higher-number-of-cores","status":"publish","type":"topic","link":"https:\/\/innovationspace.ansys.com\/knowledge\/forums\/topic\/fluent-prints-the-message-the-fl-process-could-not-be-started-how-to-overcome-this-issue-for-the-serial-or-parallel-version-of-fluent-when-specifying-t1-or-higher-number-of-cores\/","title":{"rendered":"Fluent prints the message \u201cThe fl process could not be started.\u201d How to overcome this issue for the serial or parallel version of Fluent when specifying -t1 or higher number of cores."},"content":{"rendered":"<p>There are several reasons possible. Typically, one of the Fluent processes terminated or the communication between the processes was interrupted. For versions before Fluent 18.2, this error was limited to the parallel version of Fluent. Starting with Fluent 18.2, this can also happen for the serial version especially for the Windows version. It is recommended to add exceptions for Fluent in your security software that it doesn\u2019t block the communication between the different Fluent processes. You can also enforce the use of a local loopback IP address when starting Fluent by adding the  FLUENT_HOST_IP=-127.0.0.1  to the FLUENT Launcher Environment tab.<\/p>\n","protected":false},"template":"","class_list":["post-171202","topic","type-topic","status-publish","hentry","topic-tag-18-2","topic-tag-fluent-sys","topic-tag-hpc","topic-tag-hpc-parallel","topic-tag-installation-licensing-systems"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.10 - aioseo.com -->\n\t<meta name=\"description\" content=\"There are several reasons possible. Typically, one of the Fluent processes terminated or the communication between the processes was interrupted. For versions before Fluent 18.2, this error was limited to the parallel version of Fluent. Starting with Fluent 18.2, this can also happen for the serial version especially for the Windows version. It is recommended\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<link rel=\"canonical\" href=\"https:\/\/innovationspace.ansys.com\/knowledge\/forums\/topic\/fluent-prints-the-message-the-fl-process-could-not-be-started-how-to-overcome-this-issue-for-the-serial-or-parallel-version-of-fluent-when-specifying-t1-or-higher-number-of-cores\/\" \/>\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 Knowledge | Ansys Innovation Space\" \/>\n\t\t<meta property=\"og:type\" content=\"article\" \/>\n\t\t<meta property=\"og:title\" content=\"Fluent prints the message \u201cThe fl process could not be started.\u201d How to overcome this issue for the serial or parallel version of Fluent when specifying -t1 or higher number of cores. | Ansys Knowledge\" \/>\n\t\t<meta property=\"og:description\" content=\"There are several reasons possible. Typically, one of the Fluent processes terminated or the communication between the processes was interrupted. For versions before Fluent 18.2, this error was limited to the parallel version of Fluent. Starting with Fluent 18.2, this can also happen for the serial version especially for the Windows version. 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Typically, one of the Fluent processes terminated or the communication between the processes was interrupted. For versions before Fluent 18.2, this error was limited to the parallel version of Fluent. Starting with Fluent 18.2, this can also happen for the serial version especially for the Windows version. 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