You can automatically remap paths at render time using a pathmap file.
The pathmap file is a json file. For example:
Path mapping uses regular expressions. The general format of an entry is this:
For example, this pathmap replaces all drive mappings like E:/ and S:/ with //SERVER/
Note that depending on what created an ASS file, there may be no back-slashes in Arnold. All slashes in paths are forward slashes, even on Windows.
The plugins like MtoA and HtoA output forward slashes. C4DtoA outputs backslashes.
There can be multiple mappings for each OS: