When DTP is installed conventionally (that is, not in a virtual environment like Docker or Kubernetes), changes in the network cards of the machine may affect the computation of your machine ID and result in machine ID instability. You can use the PARASOFT_SUPPORT_NET_INTERFACES environment variable to specify a stable interface and prevent the machine ID from changing.

When setting up the PARASOFT_SUPPORT_NET_INTERFACES environment variable, set the value to a stable Ethernet network interface. Do not use virtual, temporary, or loopback interfaces.

  • On Windows: Set the value to the MAC address of your network card. You can use the ipconfig -all command to obtain the address. For example:

    SET PARASOFT_SUPPORT_NET_INTERFACES=00-10-D9-27-AC-85

  • On Linux: Set the value to one of the network interfaces from the "inet" or "inet6" family. You can use the ifconfig command to obtain the list of available interfaces. For example:

    export PARASOFT_SUPPORT_NET_INTERFACES=eth1

If the problem persists, you can obtain diagnostic information to provide to Parasoft technical support for further troubleshooting. Set up the operating system environment variable PARASOFT_DEBUG_NET_INTERFACES_FILE by setting its value to a path of a text output file. After restarting Parasoft DTP server, this file will be created and the debug info will be printed to it. Share with information with Parasoft technical support.

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