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vanathi vvanathi v 

How to OverCome --> IO Exception:Exceeded max size limit of 3000000 with request size 3006464

Hi,

I have a requirement to upload a file from SalesForce to Box, While uploading i can upload only file size less than 1MB.

Reason : We have Callout Limits
              But from spring 2015 callout limits have been increased from 3MB to 6MB

But still am getting the same error. We have heap Size, But Still it should upload 3-4MB without IO Exception error.
Have anyOne Solved this issue.Please let me know, it would be of great help.
ShashankShashank (Salesforce Developers) 
This issue seems to have been fixed. Could you please let me know if you are still facing this issue?