Copyright claim
The rights owner claims revenue or blocks the video in some regions. No penalty to your channel, but you lose earnings.
Copyright strike
A takedown request. Three strikes in 90 days = channel termination.
Community Guidelines strike
For harmful content. First is a warning; then strikes that restrict uploads.
Avoiding them
- Use YouTube Audio Library music
- Don't reupload movies, cricket clips or TV shows
- Be careful with news footage
If you get one
Read the email, appeal only if you're sure you're right, and complete the policy training to remove warnings.