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Adding nodes of mixed version to cluster with ONTAP 9.6P7 fails with capability error

Last Updated:

Applies to

* ONTAP 9.6
* cluster join command
* cluster add-node command


ONTAP allows adding nodes to a running cluster with different but compatible versions of Data ONTAP. 
Using the parameter '-allow-mixed-verstion true' makes this possible.  When the new node or cluster is running 9.6P7 or greater and the other is running 9.6P6 or lower, the join is not possible.  All nodes have to be on the same release.
When attempting to join mixed version this is the message you will receive:
::> cluster join -clusteripaddr -node-name node01 -allow-mixed-version-join true
System checks .........

Error: command failed: The currently running image on this node lacks the
following capabilities which are installed on other nodes in the
This node must be upgraded to 9.6P7 or a later release or the cluster
must be downgraded to the release version of this node.

Resolve the issue, then try the command again.


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