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Configuring IIS for Large File Uploads

Increase the maximum size of files to upload to IIS from its default value of 48 Kb to enable large file uploads.

Procedure

  1. Log in to Windows as an administrator user.
  2. From a command prompt, navigate to c:\Windows\System32\inetsrv\.
  3. Enter the following command (on one line):

    appcmd.exe set config -section:system.webServer/serverRuntime /uploadReadAheadSize:"1073741824" /commit:apphost

  4. Verify that the setting was changed correctly by entering the following command (on one line):

    appcmd.exe list config -section:system.webServer/serverRuntime