# Cluster Registration Woes

**URL:** <https://forums.suse.com/t/cluster-registration-woes/41634>\
**Category:** SUSE Rancher Prime\
**Created:** [September 25, 2023, 10:54pm UTC](https://forums.suse.com/t/cluster-registration-woes/41634 "2023-09-25T22:54:00Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![LittleJoe](https://avatars.discourse-cdn.com/v4/letter/l/a88e4f/32.png) [@LittleJoe](https://forums.suse.com/u/LittleJoe)\
**Post date:** [September 25, 2023, 10:54pm UTC](https://forums.suse.com/t/cluster-registration-woes/41634/1 "2023-09-25T22:54:01Z")

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I’m running a single node with Rancher v2.7 and kube 1.25.9+k3s1. I’m trying to register a k3s cluster on two RHEL nodes. That cluster is running the same version of kube. When I do the registration I initially get an crash look about an untrusted cert. So I use the option to run the yaml input to the cluster while bypassing the ssl, but I get the same issue with the start up, so unsure how to proceed…