Monday, March 26, 2012

PageRequestManagerServerErrorException (Status Code: 413)

I hope someone can help me.

This is the message:
- Sys.WebForms.PageRequestManagerServerErrorException: An unknown error occurred while processing the request on the server. The status code returned from the server was: 413.

The scenerio is quite simple: A master page contains the Script Manager. The others pages have their own update panels and controls (nothing special, just list box and grids).

Sometimes the above error ocurrs, sometimes not.

The application is on HTTPS and requires client certificates.

Any idea?


Hi Alano,

The status code 413 means that Request Entity Too Large.
The 413 status code indicates that the request was larger than the server is able to handle, either due to physical constraints or to settings. Usually, this occurs when a file is sent using the POST method from a form, and the file is larger than the maximum size allowed in the server settings.

Please?try?to set the maxRequestLength property to a larger value. For how, please refer to this:

Hope this helps.


Thanks very much for your answer, the first about this problem I've seen on the Internet.
Our web.config already has a maxRequestLength set to 2000000. We don't expect use this, but we have it on web.config. I also have set the UploadReadAHeadSize on IIS 6.0 to 64k.
If you have another hint, I'll appreciate that.

Thanks again.


We solved our problem, I suppose, with a IIS metabase parameter (UploadReadAHeadSize).
Some pages of our web site has more than 80k. I have set the that IIS metabase parameter to 128k and things are going now.
For more information you can see:

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