{"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":[],"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":["1742"],"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}]}}