Verified clusterversion: 4.4.0-0.nightly-2020-06-15-203705 creating an IPI Azure cluster, then modifying the MachineSet to set the resourceGroup to a capitalised version, then scaling up some Machines in that MachineSet, machines could join the cluster. $ oc edit machineset zhsun616azure1-r62jc-worker-eastus23 resourceGroup: zhsun616azure1-r62jc-RG $ oc get node NAME STATUS ROLES AGE VERSION zhsun616azure1-r62jc-master-0 Ready master 164m v1.17.1+912792b zhsun616azure1-r62jc-master-1 Ready master 164m v1.17.1+912792b zhsun616azure1-r62jc-master-2 Ready master 164m v1.17.1+912792b zhsun616azure1-r62jc-worker-eastus21-whk9x Ready worker 151m v1.17.1+912792b zhsun616azure1-r62jc-worker-eastus22-vl9jb Ready worker 150m v1.17.1+912792b zhsun616azure1-r62jc-worker-eastus23-86gpn Ready worker 151m v1.17.1+912792b zhsun616azure1-r62jc-worker-eastus23-szn9j Ready worker 119s v1.17.1+912792b
Since the problem described in this bug report should be resolved in a recent advisory, it has been closed with a resolution of ERRATA. For information on the advisory, and where to find the updated files, follow the link below. If the solution does not work for you, open a new bug report. https://access.redhat.com/errata/RHBA-2020:2580