You can upgrade the existing Workload Kubernetes Cluster version to the latest versions of Kubernetes supported in the current version of the VMware Telco Cloud Automation.

Note: When you upgrade a workload cluster to the latest version, the certificate renewal of the cluster is automatically enabled and the number of days defaults to 90.

The following table lists the Kubernetes upgrade compatibility for the Workload cluster when upgrading from VMware Telco Cloud Automation.

VMware Telco Cloud Automation

Existing Kubernetes Versions

v1.24.17

v1.25.13

v1.26.8

3.0

1.22.17

Yes, with the following upgrade paths:

TCA 2.3: 1.22.17 → 1.23.16 → 1.24.10

TCA 3.0: 1.24.10 → 1.24.17

No

NA

3.0 1.23.16 Yes, with the following upgrade paths:

TCA 2.3: 1.23.16 → 1.24.10

TCA 3.0: 1.24.10 → 1.24.17

Yes

NA

3.0 1.24.10 Yes

Yes

NA

Note: Ensure that the 1.22.17 and 1.23.16 clusters are upgraded to the 1.24.10 k8 version before VMware Telco Cloud Automation is upgraded to 3.0.