An anonymous session connected from 192.168.6.60 has attempted to open an LSA policy handle on this machine. The attempt was rejected with STATUS_ACCESS_DENIED to prevent leaking security sensitive information to the anonymous caller.
The application that made this attempt needs to be fixed. Please contact the application vendor. As a temporary workaround, this security measure can be disabled by setting the \HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Lsa\TurnOffAnonymousBlock DWORD value to 1.
This message will be logged at most once a day.

The Security System detected an authentication error for the server cifs/SERVER.domain.local. The failure code from authentication protocol Kerberos was "The specified user does not exist.
(0xc0000064)".

The Security System could not establish a secured connection with the server DNS/lyra.u.arizona.edu. No authentication protocol was available

The Security System has received an authentication request that could not be decoded. The request has failed.