![..//assets/img/kb/lost.png](..//assets/img/kb/lost.png)
When a key is lost, locks may be programmed to disable that key. When the key contacts one of these disabling locks, the key is denied access and becomes disabled for all of its access permissions.
Generation 1 CyberLocks can store up to 16 different lost key IDs. Generation 2 CyberLocks in Gen 2 mode can store up to 500 lost keys. CyberLock Blue can store up to 250 lost keys.
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