// This assembly is included in the following assemblies:
//
// assembly-downgrade.adoc

[id='assembly-downgrade-kafka-versions-{context}']
= Downgrading Kafka when using ZooKeeper

If you are using Kafka in ZooKeeper mode, the downgrade process involves changing the Kafka version and the related `log.message.format.version` and `inter.broker.protocol.version` properties.

//Version constraints on the downgrade
include::../../modules/upgrading/con-downgrade-target-version.adoc[leveloffset=+1]
//procedure to downgrade Kafka
include::../../modules/upgrading/proc-downgrade-kafka-zookeeper.adoc[leveloffset=+1]