- While deploying a private OpenShift cluster on top of Azure via IPI mode of installation for version 4.17, the process fails with the below error message :-

~~~
time="2024-10-21T07:38:08Z" level=fatal msg="failed to fetch Cluster: failed to fetch dependency of \"Cluster\": failed to generate asset \"Cluster API Manifests\": failed to generate Azure manifests: failed to get azure ip availability: network.VirtualNetworksClient#CheckIPAddressAvailability: Failure responding to request: StatusCode=400 -- Original Error: autorest/azure: Service returned an error. Status=400 Code=\"PrivateIPAddressNotInAnySubnet\" Message=\"Private static IP address 10.0.0.100 does not belong to the range of any subnet in the virtual network /subscriptions/<subscription_id>/resourceGroups/<nsg_name>/providers/Microsoft.Network/virtualNetworks/<nw_name>\" Details=[]"
~~~

- The install-config.yaml being used for the deployment looks like this :-

~~~
apiVersion: v1
baseDomain: <base_domain>
controlPlane:
  hyperthreading: Enabled
  name: master
  platform:
    azure:
      osDisk:
        diskSizeGB: 128
        diskType: Premium_LRS
      type: Standard_D8ls_v5
  replicas: 1
compute:
- architecture: amd64
  hyperthreading: Enabled
  name: worker
  platform:
    azure:
      osDisk:
        diskSizeGB: 128
        diskType: Premium_LRS             
      type: Standard_D4as_v5
      zones: 
      - "1"
      - "2"
      - "3"
  replicas: 0
metadata:
  name: <name>
networking:
  clusterNetwork:
  - cidr: 10.128.0.0/14
    hostPrefix: 23
  machineNetwork:
  - cidr: ...REDACTED...
  networkType: OVNKubernetes
  serviceNetwork:
  - 172.30.0.0/16
platform:
  azure:
    baseDomainResourceGroupName: <RSG_name>  
    cloudName: <cloud_name>
    outboundType: UserDefinedRouting
    region: <region>      
    networkResourceGroupName: <nsg_name>
    virtualNetwork: <nw_name>
    controlPlaneSubnet: <subnet_name_control-plane>
    computeSubnet: <subnet_name_compute>
    resourceGroupName: <RSG_name>
publish: "Internal"
pullSecret: '{<removed>}'
sshKey: ssh-rsa AAAAB3Nza.....
~~~

- The issue here is, the same install-config works with OpenShift 4.16 version, but not with OpenShift 4.17

4.17.z

The installation fails for 4.17, but completes in case of 4.16

Should work with 4.17 as well.