BTAVM2251E One or more third-party VASA providers are already registered with the vCenter Server. IBM Spectrum Control VASA provider was not registered. Register IBM Spectrum Control as a VASA provider manually.
Explanation
If one or more third-party VASA providers are already registered with the vCenter Server, you must register IBM Spectrum Control VASA provider manually.
Action
Register IBM Spectrum Control as a VASA provider manually in the vSphere Web Client.