Oct 18, 2019 05:13 AM|Yongqing Yu|LINK
HTTP Error 413.1 - Request Entity Too Large The page was not displaye...
Yes, according to your detailed error message , you need to change some IIS settings.
in applicationHost.config file on IIS7.5 would resolve your issue in both cases. You can modify this value directly in applicationhost.config.
Select the site under Default Web Site
Select Configuration Editor
Within Section Dropdown, select "system.webServer/serverRuntime"
Enter a higher value for "uploadReadAheadSize" such as 1048576 bytes. Default is 49152 bytes.
For more details, you could refer to these links :
HTTP 413 Request Entity too Large – Can’t upload large files using IIS6