# Kubernetes Certificate renewal V1.12

**URL:** <https://discuss.kubernetes.io/t/kubernetes-certificate-renewal-v1-12/9923>\
**Category:** General Discussions\
**Created:** [February 28, 2020, 2:35pm UTC](https://discuss.kubernetes.io/t/kubernetes-certificate-renewal-v1-12/9923 "2020-02-28T14:35:05Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![Manoj\_Ambati](https://sea2.discourse-cdn.com/flex016/user_avatar/discuss.kubernetes.io/manoj_ambati/32/4686_2.png) [@Manoj\_Ambati](https://discuss.kubernetes.io/u/Manoj_Ambati)\
**Post date:** [February 28, 2020, 2:35pm UTC](https://discuss.kubernetes.io/t/kubernetes-certificate-renewal-v1-12/9923/1 "2020-02-28T14:35:05Z")

</div>

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###Certificate renewal process of V1.12 and does it require any downtime ?

### Cluster information: 3 Master and multiple worker

## kubernetes-cni-0.6.0-0.x86\_64 kubeadm-1.12.0-0.x86\_64 kubectl-1.12.0-0.x86\_64 kubelet-1.12.0-0.x86\_64

docker-ce-18.06.0.ce-3.el7.x86\_64

Can some one help with step by step process of renewing certificates in V1.12

Kubernetes version:V1.2  
Cloud being used: BARE-METAL  
Installation method:kubeadm/kubectl  
Host OS: redhat 7  
CNI and version: 0.6.0-0.x86\_64  
CRI and version:

Please let me know if any details required .