My English is very bad. sorry. I'm using translate.
I have not been able to answer my questions for a while.
I think your problem
Advanced/Access controls/domains add new provider.
https://www.pbxforums.com/threads/changing-call-recording-location.576/
it was solved at this address. it doesn't work for me either.
changes of recording file location is not getting saved. the variable still holds the old/default path.
thank you