Known Issues and Limitations in Cloudera Manager 6.3.3
The following sections describe known issues and limitations for Cloudera Manager 6.3.3:
Upgrades to Cloudera Manager 6.3 Fail with Hive Cloud replication schedules
If you have any Hive Replication Schedules that replicate to a cloud destination, delete these replication clusters before continuing with the upgrade. You can re-create these Replication Schedules after the Cloudera Manager upgrade is complete.
Cloudera Bug: OPSAPS-54117