What is the .logger file created in the license manager folder all about?

.logger file is related to diagnostic port for vendor daemon in case diagnostics are enabled.

The license server emits diagnostic output for every message it receives to a local bound port. The diagnostics output runs on a separate thread in the VD and is controlled by two mechanisms - both must be enabled for diagnostics to be received.

How to disable creation of .logger file or disable diagnostics?

To Disable these diagnostic messages and creation of this file if required ,set the below parameters