Ah ok. I saw from another post in ref to the _NT_SYMBOL_PATH where it looked like the MSDN symbol store would be used.
I looked at using the symstore method but it seemed to be a little more maintenance than I cared to do. I am using symsrv with a local cache stored in a centralized folder. SRV*LocalStore*RemoteStore If the local store has an older cache or the symbol is not present then MSDN is pulled. The initial build up of the cached files slows it down quite a bit but after that it doesn't seem to take very long to load up. Easy enough to use the LocalStore only if needed.
Anyway, yes to be able to control the SymSetSearchPath by the ini file would be much more convenient.
Quite a bit of progress since the project started, congrats. Cheers