IE11 HTTPS AJAX XMLHttpRequest: Network Error 0x2eff, Could not complete the operation due to error 00002eff

Question

I have an ajax POST request that can take anywhere between 2 seconds to 30+ minutes. The post request occurs as a result of button click

If the request takes less th

Answer 1

can take anywhere between 2 seconds to 30+ minutes

I assume this is because of large amount of data to transfer.

I have creating large file uploader, that handles 20GB+ video files and may last for several hours.

In my experience - uploading large data with single ajax request can cause strange browser crashes (for example my Chrome browser crashes in about 20% of upload tests).

The most reliable way, what I found, is to split data in chunks of 1MB and send them sequentially to the server by separate ajax requests.