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Ansys Learning Forum › Forums › Installation and Licensing › Ansys Products › LSTC License Server Error › Reply To: LSTC License Server Error

October 4, 2024 at 1:09 pm
Alex R.
Ansys Employee

 

Hello Ron, 

The whole server ID key must match between server_data and LSTC_LICENSE_INFO file. Did anything change in the machine that runs the license server? Is the LSTC License Manager running on a VM? 

The LSTC License Manager can operate on a Virtual Machine (VM). However, if the virtual machine experiences downtime (due to maintenance, power outage, etc.) or is rebooted, the LSTC License Manager will not start again because it detects a hardware change (HOST ID change). This issue arises because the vmxnet3 interface functions as a Virtual Machine Ethernet adapter, rather than physical hardware. To restart the LSTC License Manager, a new license key is required. We advise configuring the LSTC License Manager to run on a dedicated hardware to avoid such disruptions.

Please reach out to the account manager to re-issue a new license file. 

Thank you,
Alex