# Solve common CDN issues
Configuring the CDN requires few manual steps, but each can lead to errors for different reasons. This article guides you through possible problems: how to identify and resolve them.
# Articles by Response code
- Understanding 301 responses
- Understanding 403 responses
- Acting on 503 responses
- Working around 522 responses
# Articles by behavior
# CDN Wizard Configuration issues
- Validate TXT Records for domain verification
- Mitigate errors during CDN file creation
- Deal with a custom origin domain
- Validate the DNS configuration of domains
- Investigate origin domain for errors