Host Profile Error - Could not determine operating system of host

Hello,

I am trying to profile a FreeBSD 11.x server in the MCU (2.5.2) and I am getting the following error:

"Could not determine operating system of host".

I then check the FreeBSD server and the following error is listed:

"Received disconnect from x.x.x.x: xx: Unable to authenticate [preauth]"

This error seems to occur right after it gets the public key of the server.  Any idea as to why this is happening?