Under normal circumstances, using an ASP upload file in Win2K3 is not directly successful, because a limit is made, it may be modified by manual modification, the method is as follows:
Close the IIS Admin Service service in the service to find Metabase.xml under Windows / System32 / Inesrv / under, open, find ASPMAXREQUESTENTITYALLOWED to modify him to the value you need, default is 204800, that is, 200K then restart IIS Admin Service service