IIS limit file size method in Windows Server

One, upload file size limit modification:
1, run Iisreset–stop, turn off the IIS Admin service.
2, find windowssystem32inesrv under the MetaBase.xml file.
3, open with plain text, find aspmaxrequestentityallowed to change it to the desired value (such as 10M: 10240000), the default is: 204800, namely: 200K.
4, save and then run IISReset to restart the IIS Admin service.

Second, the download file size limit modification:
1, run Iisreset–stop, turn off the IIS Admin service.
2, find windowssystem32inesrv under the MetaBase.xml file.
3, open with plain text, find aspbufferinglimit to change it to the desired value (such as 20M: 20480000), the default is 4M.
4, save and then run IISReset to restart the IIS Admin service.

WIN2008+IIS7:
Open IIS Manager
Double-click ASP in IIS
Open "Configure ASP should be a program's properties"
Expand constraint Properties;

Modifies the value of the maximum request entity principal limit, with a default value of 200000 (that is, less than 200KB);

Change it to the size you want to modify, such as: 52000000 (50MB).

Modify Complete click "Apply"