New-AzureSBNamespace : ForbiddenError: The server failed to authenticate the request
If you receive the following error below then your Azure user does not have Administrator permissions. Azure has been changing permissions, formally every users basically had admin rights however that is not the case any longer. If you are unable to add a Namespace then most likely your Azure user does not have permissions. The user will now need Administrator privileges to add a Namespace. If you have a specific Azure user that you are using for the Namespace and Queues then you will need to login to Azure with an Administrator, browse to the Service Bus area, go to Settings and then add the specific user to the Admins. Once complete you will be able to add the Namespace