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  1. Resilio Sync
  2. Errors & Troubleshooting

Errors & Troubleshooting

Here, you'll find a comprehensive collection of guides to help you identify and resolve common issues on your own.

Desktop & WebUI

  • Browser warning "Your connection is not private"
  • Windows Defender SmartScreen blocks Resilio Sync installer
  • Out of memory
  • My files don't sync
  • Peers aren't connecting
  • Download/upload speed is very slow
See all 17 articles

Send info to Support team

  • Collect debug logs on mobiles
  • Measuring network performance with iperf3
  • Collecting debug logs automatically
  • Collecting debug logs manually
  • Collecting crash reports, mini-dumps and core dumps
  • Collecting core dump on NAS devices
See all 7 articles

Errors and warnings

  • Agent run out of system notify watchers. Updated files will be uploaded only after periodic folder rescan
  • Some internal tasks are taking time to complete
  • Cannot download files / These files cannot be downloaded as there are no source peers online for too long time.
  • Cannot add folder. It contains a folder that is already syncing.
  • Core warnings
  • Database error
See all 15 articles

License issues

  • "Your Sync Business license doesn't support Windows Server or Linux (x86 or x64)."
  • My device has lost the license and Sync has reverted to the Free version. How can I return the Pro functionality?

NAS

  • How to collect logs on NAS manually?
  • Sync prevents HDD from sleeping on NAS...
  • Where to collect logs on NAS?
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