The FLUENT application failed to validate the connection Error

- July 11, 2023 at 11:26 pm
  
  James Szeszycki
  Subscriber
  
  The FLUENT application hangs for quite some time upon start up but then I receive the following error: "The FLUENT application failed to validate the connection.". Tried many of the suggestions in revious posts from older versions of the software. Currently using R1 2023 Student version. Any help would be appreciated.
  Please see the below sceenshots of the error:
  
  Startup settings:
- July 12, 2023 at 12:28 pm
  
  Federico
  Ansys Employee
  
  Is this 23R1 version a new install? Has Fluent 23R1 worked previously for you? Are you able to open Fluent 23R1 in standalone mode (directly from the Start menu)?
  Do you have previous versions of Ansys products installed on your machine?
  - July 12, 2023 at 9:35 pm
    
    James Szeszycki
    Subscriber
    
    Hi, it is a new install. Fluent 23R1 has not worked previously as it is my first attempt to open it. I actually can open fluent directly from the start, not from the workbench. I also dont have any previous version of Ansys software installed.
- July 13, 2023 at 12:52 pm
  Federico
  Ansys Employee
  Hello James,
  Can you try the following?
  Close all the Ansys applications.
  Go to Start>search “Product and CAD Configuration 2023 R1” and run it as admin.
  Follow the below steps: (while configuring products and unconfiguring products “select all” option)
  1. Install Required Prerequisites.
  2. Unconfigure Products & CADs.
  3. Configure Products & CADs.
  Rename the Ansys folder to Ansys.old (search %appdata% in Windows File Explorer search bar) and .ansys to .ansys.old (%temp%)
  Launch the application again.
  Let me know if the above solutions work for you.
  - January 24, 2024 at 3:45 am
    
    Sebastián Nieto Pizarro
    Subscriber
    
    At least in my case it works, i had the same problem with 2024R1 and i solved with your recommendations.
    Thank you so much.