Solstice Enterprise Agents 1.0 User Guide   This indicates the
time that a subscription actually expires. No indications are
received after this time, unless they are re-subscribed. By
default, a future timestamp is chosen so the subscription
practically exists forever. This is done so that snmpXdmid
always retains its indication subscription with the SP.  The
default value is:  EXPIRATION_TIMESTAMP =
250101231120000.000000-420