Hi Hwang,
Not sure why they would change the Windows administrator password, but if that is the case, you would need
to update MFTPS responder profile with the new password for the id used, on this case for the administrator
Please let us know if you have any further questions regarding this issue, otherwise we will like to kindly go ahead and close this SR.
For new issues or questions please open a new SR.
Best regards
Fabricio