DevTest VS Catalog does not list virtual services and Registries are not connected.

Document ID : KB000112562
Last Modified Date : 30/08/2018
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The list of Registries under the Enterprise Dashboard always show as not connected. VS catalog does not display  any Virtual services. 
DevTest 10.3
 Enterprise Dashboard  is on 10.3,  Registry and VSE are on 10.1.   This is not a supported environment. 
The Identity Access Manager and VSCatalog feature was added in  DevTest v.10.3, and will work only if all the components are in 10.3. 
Other configurations are not supported.