One of the WHD features is the ability to push notifications to your mobile phone using the Apple Push Notifications Service. This service requires a certificate which expires today. If you want to continue using these notifications you need to install the new certificate availalbe from your customer portal.
Click on License Management -> MyDownloads (under Web Help Desk licenses information) -> scroll toAdditional Downloads and click Download button next to "Apple Push Notification (APN) Certificate".
