Overriding IIS's Maximum Transfer Limit

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This topic applies to EFT Server version 6.1 and later.

The default maximum length for an IIS file transfer is 30 MB, but you can configure IIS to allow transfers up to 2 GB by adding the maxAllowedContentLength attribute to IIS's ApplicationHost.config file (in %windir%\System32\inetsrv\config\). Adding this attribute will allow the SAT module to transfer larger files to IIS. (2 GB is a limitation of Web browsers, not the Secure Ad Hoc Transfer module.)

Make a backup of the file before editing it.

To add the attribute to the file

  1. Open ApplicationHost.config in a text editor.

  2. Scroll to the appropriate section in the file and add the following text:

    <security>
            <requestFiltering>
                   <requestLimits maxAllowedContentLength="2147483648" />
            </requestFiltering>
    </security>

  3. Save and close the file.

Refer to Editing the Configuration File, if necessary.

Refer to Introduction to ApplicationHost.config (external link) for a discussion of ApplicationHost.config.