WAP tenant portal cannot see VMs or virtual networks

few days ago I saw tenant portal which was not able to see any of my networks or VMs.
Started to investigate problem and noticed on server which has Tenant site role following error message:

List logical network error. subscription id:{eb0408fb-7843-4fcd-92b5-24f5a8e3bbdc}, error message:Microsoft.Azure.Portal.JsonException: Error Message: The type or name syntax of the registry key value IndigoTcpPort under Software\Microsoft\Microsoft System Center Virtual Machine Manager Administrator Console\Settings is incorrect.


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