Troubleshooting the HDP upgrade

In the event of a problem, contacting Cloudera Support is highly recommended. Alternatively, you can perform these troubleshooting procedures.

YARN Registry DNS instance fails to start
The YARN Registry DNS instance will fail to start if another process on the host is bound to port 53. Ensure no other services that are binding to port 53 are on the host where the YARN Registry DNS instance is deployed.
HDP 3.1.5 to HDP 7.1.7 Intermediate bits Kafka upgrade
You must use this method to resolve if you face issues during the Kafka service check.

Parent topic: Upgrading HDP to Cloudera Runtime 7.1.x