Hi,
Which URL is the correct one?
http://msdn.microsoft.com/en-us/library/microsoft.sqlserver.management.smo.sqlserverregistrations.enumregisteredservers(v=SQL.105).aspx
http://msdn.microsoft.com/en-us/library/microsoft.sqlserver.management.smo.registeredservers.registeredserver.aspx
There are many other URLs. How to make sure that you are reading the last one ?