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I am getting "An error occurred whilst communicating with the server" or "Error connecting to the server" on a Moodle 3.7 site when I try to upload audio or video files. May be becuase the error shows up in a pop up message no debug messages are displayed even though i enabled it in the settings. Strange thing is previously i was able to upload without such errors.

Action taken so far to relove the issue; increasing following values in php.ini

memory_limit
upload_max_filesize 
post_max_size 
max_input_time

increasing uploadReadAheadSize, appConcurrentRequestLimit in IIS

I can see the following error in network tab of the browsers inspector repository/repository_ajax.php?action=upload [HTTP/1.1 413 Request Entity Too Large 448ms] or course/dndupload.php [HTTP/1.1 413 Request Entity Too Large 455ms] I am only trying to upload an audio in 50M size. Uploading word or PDFs produce no errors. I'm trying to resolve this since yesterday. Any help is greatly appriciated!

guitarlass
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1 Answers1

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I added the following in web.config located in c:\Inetput\wwwroot\WebApp directory and it worked.

<system.webServer>
    <security>
        <requestFiltering>
            <requestLimits maxAllowedContentLength="1073741824" /> 
        </requestFiltering>
    </security>
</system.webServer>
<system.web>
    <httpRuntime maxRequestLength="1048576" />
</system.web>
guitarlass
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