Apple Push Notification service (APNS) certificates for HCL Traveler 12.0.2.1 expire on February 28, 2024 23. 1. 2024 by ales Apple Push Notification (APNS) certificates for HCL Traveler 12.0.2.1(12.0.2. FP1) expire February 28, 2024, so consider upgrading to Traveler 14.0.0, which includes an APNS certificate valid until November 14, 2024 More info: