Tuesday, 2 July 2013

How to control the Request Size and Execution Timeout

Limiting the Request

You can apply the below limits on the request:

  • Request size; default is 28.6MB in IIS 7.0 and 4MB in IIS 6.0. Please see below.
  • Request header size
  • Url length; default is 4KB
  • Query string length; default is 2KB

Request Size

If content size exceeds 1024 bytes then throw 404.13 error:


IIS 6.0:


IIS 7.0:


Request TimeOut



Max Response Size

• Response size by default doesn’t have a limit from the server point of view.

• The client, however, can limit the response size by setting “content-length” in the request header.

• If very large data required, we should be considering compressing the data or returning binary data. How large is very large?! Perhaps above 50MB.

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