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Upgrade from Nexus Repository 2

Nexus Repository 3 is a complete redesign that does not include legacy code from Nexus Repository 2. Nexus Repository 3 uses a different storage model for managing components that is far more scalable for non-Maven ecosystems and deployment environments.

While this avoids file system limitations from Nexus Repository 2, it does require a more involved migration process to move to Nexus Repository 3.

The upgrade to Nexus Repository 3 requires creating an upgrade plan:

  1. Review the Feature Equivalency Matrix

  2. Begin with Determine your Upgrade Path

  3. Upgrade your Nexus Repository 2 Instance

  4. Complete the Optimization Steps

  5. Follow the prerequisites for your upgrade method