Converta a época LDAP até o momento
SELECT
...
,CAST((CAST(accountExpires AS numeric(28,0)) / 864000000000.0 - 109207) AS DATETIME)
...
Wide-eyed Willet
SELECT
...
,CAST((CAST(accountExpires AS numeric(28,0)) / 864000000000.0 - 109207) AS DATETIME)
...