When adding new hosts to an existing VI workload domain in VMware Cloud Foundation, the new hosts must meet the following requirements:
A) The host uses the same storage type as the existing cluster hosts. D. The host uses the same network pool.
Reference:
https://docs.vmware.com/en/VMware-Cloud-Foundation/4.3/install-and-configure-vmware-cloud-foundation/GUID-7788F002-2FEA-426E-A153-7A78A1B200A7.html The host must use the same storage type (vSAN or NFS) as other hosts in the cluster1.
The host must use a network pool that is compatible with other hosts in the cluster1.
The host must have at least two network ports for management traffic and two network ports for vSAN traffic (if using vSAN storage)2.