Sometimes you will get this error in IIS 7.5 and windows server 2008 R2. The error message is “The page was not displayed because the request entity is too large“.
Sometimes also you will get the script error like below:
Sys.WebForms.PageRequestManagerServerErrorException: An unknown error occurred while processing the request on the server. The status code returned from the server was: 413
The error may come:
– When you upload a large file from your web page
– When you submit web page of large content
To resolve this we have to increase uploadReadAheadSize in applicationHost.config file on IIS7.5.
Locate appcmd.exe in \windows\system32\inetsrv folder and run following command on command line tool
appcmd.exe set config -section:system.webserver/serverruntime/uploadreadaheadsize: 1048576 /commit:apphost
You can also manually increase by opening the IIS.
Also, you can check out my previous posts on:
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