Cannot protect or migrate VMs, vApps via Cloud Director Availability after upgrading to the below:
Cloud Director 10.6.x
Cloud Director Availability 4.7.x
Cloud Director 10.6 is NOT compatible with any Cloud Director Availability versions.
Cloud Director Availability 4.7.3 is specifically released for compatibility with Cloud Director 10.6.0.1.
However, Cloud Director 10.6 is not compatible with any versions of Cloud Director Availability.
Hence, to resolve the issue upgrade VMware Cloud Director to 10.6.0.1 and Cloud Director Availability to 4.7.3
Refer to the VMware Cloud Director Availability 4.7.3 Release Notes
Also refer to the interoperability matrix.
For using the VMware Product Interoperability Matrixes: https://knowledge.broadcom.com/external/article/343230/using-the-vmware-product-interoperabilit.html