Increase the Maximum Accepted Content Length

You may increase the maximum accepted content length by following these directions:

  1. Open Windows Explorer.
  2. Navigate to C:\Program Files\Microsoft\Exchange Server\ClientAccess\exchweb\ews
  3. Open the file Web.Config in a text editor such as Notepad.
  4. Go to the end of the file.
  5. Insert or edit the following XML code before the </configuration> tag:

    <system.webServer>
    <security>
    <requestFiltering>
    <requestLimits maxAllowedContentLength="104857600" />
    </requestFiltering>
    </security>
    </system.webServer>

 

Note: If XML code is already present in the Web.Config file, edit it to match what is shown above.

 

Sample Web.Config before changes:

<configuration>
<system.web>
...
...
</system.web>
</configuration>

Sample Web.Config after changes:

<configuration>
<system.web>
...
...
</system.web>
<system.webServer>
<security>
<requestFiltering>
<requestLimits maxAllowedContentLength="104857600" />
</requestFiltering>
</security>
</system.webServer>
</configuration>

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