How to find out SQL Server options updated
View errorlog or default trace if is ON

sp_configure'default trace enabled'

DECLARE @trc_path VARCHAR(500)
SELECT @trc_path = CONVERT(VARCHAR(500),value) FROM fn_trace_getinfo(DEFAULT)
WHERE property=2

SELECT @trc_path
SELECT 
    TEXTData,
    HostName,
    ApplicationName,
    DatabaseName,
    LoginName,
    SPID,
    StartTime,
    EventSequence
FROM fn_trace_gettable(@trc_path,1) fn
WHERE TEXTData LIKE '%configure%'