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Support Article

System hangs on uploading document



System hangs on uploading a document, of size more than the limit, using a Drag drop file control. 

Error Messages


Not Applicable


Steps to Reproduce

  1. Create the Menu button and invoke the Pega out-of-the-box fileupload control 
  2. Drag and drop a file of size 36 MB on to the modal window. Busy indicator displays and the system hangs

Root Cause

This behavior is as per the Pega product design.


Here’s the explanation for the reported behavior: 
Maximum size of a document that can be uploaded using Drag and drop feature is 10 MB. The Drag and drop feature internally makes an AJAX call. Hence, on uploading large files, either the performance of the system degrades or the machine is unstabilized. 


Published March 26, 2019 - Updated October 8, 2020

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