When attempting HCX Site Pairing, a user may run into the error "Error connecting to remote site. Site Pairing is not allowed to this Appliance Type."
HCX
This can be caused by the following reasons:
HCX Cloud Manager to HCX Connector (cloud to onprem) site pairing is not supported.
The only supported site pairing options are:
Understanding HCX Sites:
"VMware vSphere-based sites can be either private (on-premises) or public clouds. HCX Connector sites serve as the source of mobility and network extension operations. HCX Cloud sites serve as the target of HCX operations, or as the source and target site in cloud-to-cloud configurations."