For some of the devices , I can see the event CloudLAPS: BadRequest, failed to update password
When I check in Funtion App logs I see the below events for all the failed devices
WARNING: Failed to commit key vault secret. Error message: Operation returned an invalid status code 'ServiceUnavailable'
Code: ServiceUnavailable
Message: Operation "SecretSet" is unavailable: the service is currently in a read-only state.