Delegation with BO BUS2078

Hello!
I'd like to create a workflow which gets triggered by the event CREATED of BO BUS2078 (quality notification). Because I need new functionality in my workflow I've created subtype ZBUS2078 and configured delegation. Unfortunately event triggering behaves strange:
If I create a new quality notification with tcode QM01, 2 CREATED events are triggered, one for BUS2078 and one for ZBUS2078. In my workflow I've configured starting event BUS2078-CREATED - the workflow gets triggered twice. I assume this occurs because BUS2078 is compatible (in object-oriented sense) with the subtype ZBUS2078 too. Is my assumption correct?
The 2nd strange behavior is that other events of BUS2078 are not getting triggered for ZBUS2078, e.g. CLOSED if I close a notification in QM02. What could be the reason for this?
Regards
Wolfgang

Thanks for your reply!
I checked tcode SWEC and found that there was an entry for ZBUS2078-CREATED!
Regards
Wolfgang

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    I have set the AD group up as a login and a user in my local database.  When I try to create the link, I used the mydomain\adgroup1 as the local login and, since the same credentials exist in the remote server, I checked the impersonate box and click
    OK but I get "mydomain\adgroup1 is not a valid login or you do not have permission".  Is it possible to create a linked server using an AD group?  As of now, we only have the AD group permissions in the remote database.  We could probably
    request a single SQL Server account to be created on the remote side and we could create the same on our side, but we are trying to keep things as simple and transparent as possible (and we would really like to move more toward AD security and away
    from individual users in the db).
    Can anyone give me advice on how to get these two SQL Servers linked?

      From your description, you likely want to implement Windows authentication for linked server, which requires to implement Kerberos constrained delegation.
     I would recommend the following link to get started: 
    How to Implement Kerberos Constrained Delegation with SQL Server 2008 (https://msdn.microsoft.com/en-us/library/ee191523%28SQL.100%29.aspx?f=255&MSPPError=-2147217396
      -Raul Garcia
       SQL Server Security
    This posting is provided "AS IS" with no warranties, and confers no rights.

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