Concurrent License Users Must Update the FlexNet Licensing Server Software
If you are using a concurrent license of InstallShield, you must update the version of the FlexNet Licensing Server software on the licensing server before you can start using InstallShield 2021.
The version of the FlexNet Licensing Server software that shipped with previous versions of InstallShield cannot manage licenses of InstallShield 2021. InstallShield 2021 will not check out licenses from older version of the license server even when those licenses are available.
Note:The FlexNet Licensing Server software v11.16.6.0 can manage licenses of InstallShield 2020 and InstallShield 2021. Upgrading from InstallShield 2020 to InstallShield 2021 lets you to use the existing FlexNet Licensing Server software v11.16.6.0. Upgrading from the InstallShield 2019 and older versions require the upgrading of FlexNet Licensing Server software to v11.16.6.0.
You can download the installer for the new FlexNet Licensing Server software from the Revenera Product and License Center.
For instructions on installing the FlexNet Licensing Server software, see Setting Up Your License Server for Concurrent Licenses of InstallShield 2016 and Later.