Optistruct Licence Error

Vishrut Viradia
Vishrut Viradia Altair Community Member
edited October 2020 in Community Q&A

I am facing some issue while converting my Trailing arm  rigid body template to flexible motion view for fem analysis. When I complete the flex prep pop i encountered an error regarding the optistruct licence. 

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Answers

  • FaroukM
    FaroukM Altair Community Member
    edited August 2020

    do you have altair_lic.dat file ? if yes, are you sure that the *dat file is in the right directory ?

  • Koushik Chandrashekhar_21806
    Koushik Chandrashekhar_21806
    Altair Employee
    edited August 2020

    Hi Vishrut,

     

    After downloading the license file, rename it to altair_lic.dat and place the same in the <installation directory>/security folder

     image.png


    If you have already done the above and still face the error, Use windows folder options / view > display file name extensions, to make sure the file is named altair_lic.dat and not altair_lic.dat.dat,

     

    You need to confirm if the Ethernet address in the license file is the correct one and matches the one in your machine.

     

    When you open the license file in a text editor you will see an Ethernet address there in a line that says 'ETHERNET =

            

    The Ethernet ID is the ID of your machine which is exactly 12 hexadecimal numbers. For example D4WRF478F398

     

    Run ipconfig/all in command window and check for physical address under Ethernet adapter local area connection:

     

    image.png

     

    The listed physical address under Ethernet adapter local area connection should be used to generate the license file, if there is no listing of Ethernet adapter local area connection, the address under Wireless Adapter LAN Wifi must be used.

     

    That means if the address provided as above does not match the one in the license file, please request for the license file again with the correct Ethernet ID here https://studentedition.altair.com/

  • Vishrut Viradia
    Vishrut Viradia Altair Community Member
    edited August 2020

    My License file is in the form of .dat only and in the right directory. Also the Ethernet address and Wireless Adapter LAN Wifi address are the same. What should I do now ?

     

  • QuyNguyenDai
    QuyNguyenDai Altair Community Member
    edited August 2020
    Altair Forum User said:

    My License file is in the form of .dat only and in the right directory. Also the Ethernet address and Wireless Adapter LAN Wifi address are the same. What should I do now ?

     

    It's NOT Ethernet (or Wireless) IP address, but the Physical address MAC (https://en.wikipedia.org/wiki/MAC_address)

    So your Ethernet & Wireless cards have different address MAC, never the same!

     

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