Cluster Elasticsearch of two version

Elastic Stack Elasticsearch
1

Hi,

I want to know if we can have a cluster elasticsearch of two nodes with different version :
the firste one : 6.3
the second one : 5.10 ?

2

No, that is not supported. All nodes in a cluster should always be exactly the same version.

3

Thank you @Christian_Dahlqvist fo your quick answer

4

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