I have followed up with Scott offline, but for thwack, here is the response.
The SendData key is required for successful communication between the service host and Kiwi Syslog and cannot be deleted. If the key is deleted, it will be recreated by the service host the next time the service host and Syslog interact.
Here is a KB article on this further,
http://knowledgebase.solarwinds.com/kb/questions/2583/Kiwi+Syslog+security+service
Clik here to view.
