# Troubleshoot Confluent for Kubernetes Troubleshoot common Confluent for Kubernetes issues and find the diagnostics tools covered in the following topics. The examples in this section assume the default namespace you set in [Create a namespace for CFK](co-prepare.md#co-create-namespace). ## In this section - [Common Deployment Issues](co-troubleshoot-deployment.md#co-troubleshoot-deployment): Resolve common Helm chart and Kubernetes issues encountered while deploying CFK. - [Common Configuration Issues](co-troubleshoot-configuration.md#co-troubleshoot-configuration): Resolve common Confluent Platform component configuration issues. - [Common Upgrade Issues](co-troubleshoot-upgrade.md#co-troubleshoot-upgrade): Resolve issues encountered while upgrading CFK or Confluent Platform. - [Common Migration Issues](co-troubleshoot-migration.md#co-troubleshoot-migration): Resolve issues encountered during ZooKeeper to KRaft migration. - [Common Authentication Issues](co-troubleshoot-authentication.md#co-troubleshoot-authentication): Resolve OAuth/OIDC, SASL, and mTLS authentication issues. - [Common Networking Issues](co-troubleshoot-networking.md#co-troubleshoot-networking): Resolve TLS certificate and listener networking issues. - [Known Issues](co-troubleshoot-known-issues.md#co-troubleshoot-known-issues): Review known issues and their workarounds. - [Support Bundle and Diagnostics](co-troubleshoot-diagnostics.md#co-troubleshoot-diagnostics): Generate a support bundle and collect heap dumps, thread dumps, logs, and metrics.