Northern Telecom Meridian 1 Installation And Maintenance Manual page 203

Table 44 : Event messages in the Administration log
Event code
EVT 434
EVT 440
EVT 450
You should rarely see event messages other than those described in Table 43
and Table 43. Other messages occur when the Meridian Companion system
has followed its normal recovery from an unusual combination of system
events. If the same event number keeps appearing and is not described in
Table 32 or Table 43, report it to your installer or distributor.
The Registration password has been changed.
An invalid software code has been entered.
Someone has initiated a Companion Manager session.
Meridian Companion Installation and Maintenance Guide
Troubleshooting Page 193 of 220
Meaning