I am stucked: Working on a network mapped drive via Web Service

Hi All,

Can any one suggest me a best way to do this ..

I have a thrid party tool "EXE" that we need to use with our web service to
manipulate some complex XML files, which reside in a seperate files server.
we have mapped the fodler to a different folder and need to allow the EXE to
process on the mapped drive. When I trigger the EXE via web service the EXE
get the permission of the launching user (mean ASP.NET user) resulting a
permission issue. Mapped drive cannot access by the IIS (web application)
user.

I am keeping this open .. please advice me the best approach I can take here
to do this assuming that I cannot change the EXE or the mapped drive
requirements.

Thanks,
Regards,
Nirosh.