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Why can't I preview student files?
Why can't I preview student files?

Trouble shooting for viewing student submissions.

Tony avatar
Written by Tony
Updated over a week ago

There are a few steps you can take to try and view the student's submission.

  • Try downloading the student submission. After clicking 'View Submission', a download button will appear where the student submission should be.

  • Try using a different internet connection.

If you can view a student submission on a different internet connection, this likely indicates there is an issue reaching Peergrade's files due to the network's configuration and firewall.

If you are getting a specific error message:

Chrome 70.0 (November 2018) will show an error like:This site can't be reached unexpectedly closed the connection.

The error may be slightly different depending on the browser and the current version.

How to fix it

Check with your IT department that our file URL isn't blocked on your school firewall. If your school is blocking our URL's you can ask your IT department to whitelist our URLs so that you have access.

URL's to whitelist

November 2018 URL Change

Around the time of November 2018, Peergrade changed it's AWS url:

New URL:

Old URL:

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