{"id":171177,"date":"2023-06-05T07:05:53","date_gmt":"2023-06-05T07:05:53","guid":{"rendered":"\/knowledge\/forums\/topic\/question-what-should-i-do-if-i-run-into-error-connecting-to-the-service-mpiexechostname-hydrautilssocksock-c-when-i-try-to-run-ansys-18-2-ls-dyna-parallel-from-product-launcher\/"},"modified":"2023-07-31T12:35:13","modified_gmt":"2023-07-31T12:35:13","slug":"question-what-should-i-do-if-i-run-into-error-connecting-to-the-service-mpiexechostname-hydrautilssocksock-c-when-i-try-to-run-ansys-18-2-ls-dyna-parallel-from-product-launcher","status":"publish","type":"topic","link":"https:\/\/innovationspace.ansys.com\/knowledge\/forums\/topic\/question-what-should-i-do-if-i-run-into-error-connecting-to-the-service-mpiexechostname-hydrautilssocksock-c-when-i-try-to-run-ansys-18-2-ls-dyna-parallel-from-product-launcher\/","title":{"rendered":"Question: What should I do if I run into &#8220;Error connecting to the Service [mpiexec@hostname] ..hydrautilssocksock.c&#8221;  when I try to run ANSYS 18.2  LS-DYNA parallel from Product Launcher ?"},"content":{"rendered":"<p>Answer:  Please install Intel MPI.  C:Program FilesANSYS Incv182prereqINSTALL_INTEL-MPI_README.html and the installation file C:Program FilesANSYS Incv182prereqw_mpi-rt_p_5.1.3.180.exe  then please cache password using the last step in the html file  Note the entire error looks like the below:  Setting the environment: ANSYS_DIR=C:Program FilesANSYS Incv182ANSYS Executing mpiexec -np 2 &#8220;C:Program FilesANSYS Incv182ANSYSbinwinx64lsdyn _mpp_sp_impi.exe&#8221;  pr=dyna i=input.k Error connecting to the Service [mpiexec@hostname] ..hydrautilssocksock.c (270): unable to connect from hostname&#8221; to &#8220;hostname&#8221; (No error) Press any key to continue . . .<\/p>\n","protected":false},"template":"","class_list":["post-171177","topic","type-topic","status-publish","hentry","topic-tag-18-2","topic-tag-hpc","topic-tag-hpc-parallel","topic-tag-installation-licensing-systems","topic-tag-mechanical-apdl-sys"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.10 - aioseo.com -->\n\t<meta name=\"description\" content=\"Answer: Please install Intel MPI. C:Program FilesANSYS Incv182prereqINSTALL_INTEL-MPI_README.html and the installation file C:Program FilesANSYS Incv182prereqw_mpi-rt_p_5.1.3.180.exe then please cache password using the last step in the html file Note the entire error looks like the below: Setting the environment: ANSYS_DIR=C:Program FilesANSYS Incv182ANSYS Executing mpiexec -np 2 &quot;C:Program FilesANSYS Incv182ANSYSbinwinx64lsdyn _mpp_sp_impi.exe&quot; pr=dyna i=input.k Error connecting to the\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<link rel=\"canonical\" href=\"https:\/\/innovationspace.ansys.com\/knowledge\/forums\/topic\/question-what-should-i-do-if-i-run-into-error-connecting-to-the-service-mpiexechostname-hydrautilssocksock-c-when-i-try-to-run-ansys-18-2-ls-dyna-parallel-from-product-launcher\/\" \/>\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=\"Question: What should I do if I run into \u201cError connecting to the Service [mpiexec@hostname] ..hydrautilssocksock.c\u201d when I try to run ANSYS 18.2 LS-DYNA parallel from Product Launcher ? | Ansys Knowledge\" \/>\n\t\t<meta property=\"og:description\" content=\"Answer: Please install Intel MPI. C:Program FilesANSYS Incv182prereqINSTALL_INTEL-MPI_README.html and the installation file C:Program FilesANSYS Incv182prereqw_mpi-rt_p_5.1.3.180.exe then please cache password using the last step in the html file Note the entire error looks like the below: Setting the environment: ANSYS_DIR=C:Program FilesANSYS Incv182ANSYS Executing mpiexec -np 2 &quot;C:Program FilesANSYS Incv182ANSYSbinwinx64lsdyn _mpp_sp_impi.exe&quot; pr=dyna i=input.k Error connecting to the\" \/>\n\t\t<meta property=\"og:url\" content=\"https:\/\/innovationspace.ansys.com\/knowledge\/forums\/topic\/question-what-should-i-do-if-i-run-into-error-connecting-to-the-service-mpiexechostname-hydrautilssocksock-c-when-i-try-to-run-ansys-18-2-ls-dyna-parallel-from-product-launcher\/\" \/>\n\t\t<meta property=\"article:published_time\" content=\"2023-06-05T07:05:53+00:00\" \/>\n\t\t<meta property=\"article:modified_time\" content=\"2023-07-31T12:35:13+00:00\" \/>\n\t\t<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n\t\t<meta name=\"twitter:title\" content=\"Question: What should I do if I run into \u201cError connecting to the Service [mpiexec@hostname] ..hydrautilssocksock.c\u201d when I try to run ANSYS 18.2 LS-DYNA parallel from Product Launcher ? | Ansys Knowledge\" \/>\n\t\t<meta name=\"twitter:description\" content=\"Answer: Please install Intel MPI. 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C:Program FilesANSYS Incv182prereqINSTALL_INTEL-MPI_README.html and the installation file C:Program FilesANSYS Incv182prereqw_mpi-rt_p_5.1.3.180.exe then please cache password using the last step in the html file Note the entire error looks like the below: Setting the environment: ANSYS_DIR=C:Program FilesANSYS Incv182ANSYS Executing mpiexec -np 2 \"C:Program FilesANSYS Incv182ANSYSbinwinx64lsdyn _mpp_sp_impi.exe\" pr=dyna i=input.k Error connecting to the","canonical_url":"https:\/\/innovationspace.ansys.com\/knowledge\/forums\/topic\/question-what-should-i-do-if-i-run-into-error-connecting-to-the-service-mpiexechostname-hydrautilssocksock-c-when-i-try-to-run-ansys-18-2-ls-dyna-parallel-from-product-launcher\/","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"BreadcrumbList","@id":"https:\/\/innovationspace.ansys.com\/knowledge\/forums\/topic\/question-what-should-i-do-if-i-run-into-error-connecting-to-the-service-mpiexechostname-hydrautilssocksock-c-when-i-try-to-run-ansys-18-2-ls-dyna-parallel-from-product-launcher\/#breadcrumblist","itemListElement":[{"@type":"ListItem","@id":"https:\/\/innovationspace.ansys.com\/knowledge#listItem","position":1,"name":"Home","item":"https:\/\/innovationspace.ansys.com\/knowledge","nextItem":{"@type":"ListItem","@id":"https:\/\/innovationspace.ansys.com\/knowledge\/topics\/#listItem","name":"Topics"}},{"@type":"ListItem","@id":"https:\/\/innovationspace.ansys.com\/knowledge\/topics\/#listItem","position":2,"name":"Topics","item":"https:\/\/innovationspace.ansys.com\/knowledge\/topics\/","nextItem":{"@type":"ListItem","@id":"https:\/\/innovationspace.ansys.com\/knowledge\/forums\/topic-tag\/hpc\/#listItem","name":"hpc"},"previousItem":{"@type":"ListItem","@id":"https:\/\/innovationspace.ansys.com\/knowledge#listItem","name":"Home"}},{"@type":"ListItem","@id":"https:\/\/innovationspace.ansys.com\/knowledge\/forums\/topic-tag\/hpc\/#listItem","position":3,"name":"hpc","item":"https:\/\/innovationspace.ansys.com\/knowledge\/forums\/topic-tag\/hpc\/","nextItem":{"@type":"ListItem","@id":"https:\/\/innovationspace.ansys.com\/knowledge\/forums\/topic\/question-what-should-i-do-if-i-run-into-error-connecting-to-the-service-mpiexechostname-hydrautilssocksock-c-when-i-try-to-run-ansys-18-2-ls-dyna-parallel-from-product-launcher\/#listItem","name":"Question: What should I do if I run into &#8220;Error connecting to the Service [mpiexec@hostname] ..hydrautilssocksock.c&#8221;  when I try to run ANSYS 18.2  LS-DYNA parallel from Product Launcher ?"},"previousItem":{"@type":"ListItem","@id":"https:\/\/innovationspace.ansys.com\/knowledge\/topics\/#listItem","name":"Topics"}},{"@type":"ListItem","@id":"https:\/\/innovationspace.ansys.com\/knowledge\/forums\/topic\/question-what-should-i-do-if-i-run-into-error-connecting-to-the-service-mpiexechostname-hydrautilssocksock-c-when-i-try-to-run-ansys-18-2-ls-dyna-parallel-from-product-launcher\/#listItem","position":4,"name":"Question: What should I do if I run into &#8220;Error connecting to the Service [mpiexec@hostname] ..hydrautilssocksock.c&#8221;  when I try to run ANSYS 18.2  LS-DYNA parallel from Product Launcher ?","previousItem":{"@type":"ListItem","@id":"https:\/\/innovationspace.ansys.com\/knowledge\/forums\/topic-tag\/hpc\/#listItem","name":"hpc"}}]},{"@type":"Organization","@id":"https:\/\/innovationspace.ansys.com\/knowledge\/#organization","name":"Ansys Knowledge","description":"Ansys Innovation Space","url":"https:\/\/innovationspace.ansys.com\/knowledge\/"},{"@type":"WebPage","@id":"https:\/\/innovationspace.ansys.com\/knowledge\/forums\/topic\/question-what-should-i-do-if-i-run-into-error-connecting-to-the-service-mpiexechostname-hydrautilssocksock-c-when-i-try-to-run-ansys-18-2-ls-dyna-parallel-from-product-launcher\/#webpage","url":"https:\/\/innovationspace.ansys.com\/knowledge\/forums\/topic\/question-what-should-i-do-if-i-run-into-error-connecting-to-the-service-mpiexechostname-hydrautilssocksock-c-when-i-try-to-run-ansys-18-2-ls-dyna-parallel-from-product-launcher\/","name":"Question: What should I do if I run into \u201cError connecting to the Service [mpiexec@hostname] ..hydrautilssocksock.c\u201d when I try to run ANSYS 18.2 LS-DYNA parallel from Product Launcher ? | Ansys Knowledge","description":"Answer: Please install Intel MPI. C:Program FilesANSYS Incv182prereqINSTALL_INTEL-MPI_README.html and the installation file C:Program FilesANSYS Incv182prereqw_mpi-rt_p_5.1.3.180.exe then please cache password using the last step in the html file Note the entire error looks like the below: Setting the environment: ANSYS_DIR=C:Program FilesANSYS Incv182ANSYS Executing mpiexec -np 2 \"C:Program FilesANSYS Incv182ANSYSbinwinx64lsdyn _mpp_sp_impi.exe\" pr=dyna i=input.k Error connecting to the","inLanguage":"en-US","isPartOf":{"@id":"https:\/\/innovationspace.ansys.com\/knowledge\/#website"},"breadcrumb":{"@id":"https:\/\/innovationspace.ansys.com\/knowledge\/forums\/topic\/question-what-should-i-do-if-i-run-into-error-connecting-to-the-service-mpiexechostname-hydrautilssocksock-c-when-i-try-to-run-ansys-18-2-ls-dyna-parallel-from-product-launcher\/#breadcrumblist"},"datePublished":"2023-06-05T07:05:53+00:00","dateModified":"2023-07-31T12:35:13+00:00"},{"@type":"WebSite","@id":"https:\/\/innovationspace.ansys.com\/knowledge\/#website","url":"https:\/\/innovationspace.ansys.com\/knowledge\/","name":"Ansys Knowledge","description":"Ansys Innovation Space","inLanguage":"en-US","publisher":{"@id":"https:\/\/innovationspace.ansys.com\/knowledge\/#organization"}}]},"og:locale":"en_US","og:site_name":"Ansys Knowledge | Ansys Innovation Space","og:type":"article","og:title":"Question: What should I do if I run into \u201cError connecting to the Service [mpiexec@hostname] ..hydrautilssocksock.c\u201d when I try to run ANSYS 18.2 LS-DYNA parallel from Product Launcher ? | Ansys Knowledge","og:description":"Answer: Please install Intel MPI. C:Program FilesANSYS Incv182prereqINSTALL_INTEL-MPI_README.html and the installation file C:Program FilesANSYS Incv182prereqw_mpi-rt_p_5.1.3.180.exe then please cache password using the last step in the html file Note the entire error looks like the below: Setting the environment: ANSYS_DIR=C:Program FilesANSYS Incv182ANSYS Executing mpiexec -np 2 &quot;C:Program FilesANSYS Incv182ANSYSbinwinx64lsdyn _mpp_sp_impi.exe&quot; pr=dyna i=input.k Error connecting to the","og:url":"https:\/\/innovationspace.ansys.com\/knowledge\/forums\/topic\/question-what-should-i-do-if-i-run-into-error-connecting-to-the-service-mpiexechostname-hydrautilssocksock-c-when-i-try-to-run-ansys-18-2-ls-dyna-parallel-from-product-launcher\/","article:published_time":"2023-06-05T07:05:53+00:00","article:modified_time":"2023-07-31T12:35:13+00:00","twitter:card":"summary_large_image","twitter:title":"Question: What should I do if I run into \u201cError connecting to the Service [mpiexec@hostname] ..hydrautilssocksock.c\u201d when I try to run ANSYS 18.2 LS-DYNA parallel from Product Launcher ? | Ansys Knowledge","twitter:description":"Answer: Please install Intel MPI. C:Program FilesANSYS Incv182prereqINSTALL_INTEL-MPI_README.html and the installation file C:Program FilesANSYS Incv182prereqw_mpi-rt_p_5.1.3.180.exe then please cache password using the last step in the html file Note the entire error looks like the below: Setting the environment: ANSYS_DIR=C:Program FilesANSYS Incv182ANSYS Executing mpiexec -np 2 &quot;C:Program FilesANSYS Incv182ANSYSbinwinx64lsdyn _mpp_sp_impi.exe&quot; pr=dyna i=input.k Error connecting to the"},"aioseo_meta_data":{"post_id":"171177","title":null,"description":null,"keywords":null,"keyphrases":null,"primary_term":null,"canonical_url":null,"og_title":null,"og_description":null,"og_object_type":"default","og_image_type":"default","og_image_url":null,"og_image_width":null,"og_image_height":null,"og_image_custom_url":null,"og_image_custom_fields":null,"og_video":null,"og_custom_url":null,"og_article_section":null,"og_article_tags":null,"twitter_use_og":false,"twitter_card":"default","twitter_image_type":"default","twitter_image_url":null,"twitter_image_custom_url":null,"twitter_image_custom_fields":null,"twitter_title":null,"twitter_description":null,"schema":{"blockGraphs":[],"customGraphs":[],"default":{"data":{"Article":[],"Course":[],"Dataset":[],"FAQPage":[],"Movie":[],"Person":[],"Product":[],"ProductReview":[],"Car":[],"Recipe":[],"Service":[],"SoftwareApplication":[],"WebPage":[]},"graphName":"","isEnabled":true},"graphs":[]},"schema_type":"default","schema_type_options":null,"pillar_content":false,"robots_default":true,"robots_noindex":false,"robots_noarchive":false,"robots_nosnippet":false,"robots_nofollow":false,"robots_noimageindex":false,"robots_noodp":false,"robots_notranslate":false,"robots_max_snippet":null,"robots_max_videopreview":null,"robots_max_imagepreview":"large","priority":null,"frequency":null,"local_seo":null,"limit_modified_date":false,"created":"2025-10-18 01:42:49","updated":"2026-07-30 05:12:50","ai":null,"breadcrumb_settings":null,"seo_analyzer_scan_date":null},"aioseo_breadcrumb":"<div class=\"aioseo-breadcrumbs\"><span class=\"aioseo-breadcrumb\">\n\t\t\t<a href=\"https:\/\/innovationspace.ansys.com\/knowledge\" 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\/knowledge\/topics\/\" title=\"Topics\">Topics<\/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\/knowledge\/forums\/topic-tag\/hpc\/\" title=\"hpc\">hpc<\/a>\n\t\t<\/span><span class=\"aioseo-breadcrumb-separator\">&raquo;<\/span><span class=\"aioseo-breadcrumb\">\n\t\t\tQuestion: What should I do if I run into \u201cError connecting to the Service [mpiexec@hostname] ..hydrautilssocksock.c\u201d  when I try to run ANSYS 18.2  LS-DYNA parallel from Product Launcher ?\n\t\t<\/span><\/div>","aioseo_breadcrumb_json":[{"label":"Home","link":"https:\/\/innovationspace.ansys.com\/knowledge"},{"label":"Topics","link":"https:\/\/innovationspace.ansys.com\/knowledge\/topics\/"},{"label":"hpc","link":"https:\/\/innovationspace.ansys.com\/knowledge\/forums\/topic-tag\/hpc\/"},{"label":"Question: What should I do if I run into &#8220;Error connecting to the Service [mpiexec@hostname] ..hydrautilssocksock.c&#8221;  when I try to run ANSYS 18.2  LS-DYNA parallel from Product Launcher ?","link":"https:\/\/innovationspace.ansys.com\/knowledge\/forums\/topic\/question-what-should-i-do-if-i-run-into-error-connecting-to-the-service-mpiexechostname-hydrautilssocksock-c-when-i-try-to-run-ansys-18-2-ls-dyna-parallel-from-product-launcher\/"}],"acf":[],"custom_fields":[{"0":{"_wp_page_template":["default"],"_bbp_last_active_time":["2\/6\/2023 20:20"],"_bbp_forum_id":["153867"],"_bbp_author_ip":["209.182.204.162"],"_btv_view_count":["2143"],"siebel_km_number":["2052040"],"product_version":["18.2"],"km_published_date":["2017-10-14T00:00:00.000Z"],"family":["Installation\/Licensing\/Systems"],"application_name":["Mechanical APDL - SYS"]},"test":"articlesansys-com"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/knowledge\/wp-json\/wp\/v2\/topics\/171177","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/innovationspace.ansys.com\/knowledge\/wp-json\/wp\/v2\/topics"}],"about":[{"href":"https:\/\/innovationspace.ansys.com\/knowledge\/wp-json\/wp\/v2\/types\/topic"}],"version-history":[{"count":0,"href":"https:\/\/innovationspace.ansys.com\/knowledge\/wp-json\/wp\/v2\/topics\/171177\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/knowledge\/wp-json\/wp\/v2\/media?parent=171177"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}