Floating license works for Solid Edge but not FlowEFD.
Solution
Using 'I have a server name' in the License Utility of SE2020 enables the FlowEFD product to find the server and work.
Notes and References
Hardware/Software Configuration
Platform: INTL64
OS: windows
OS Version: 10_1909
Product: SOLID_EDGE
Application: SETUP
Version: V221MP9
Function: LICENSING
Ref: 001-10209427