IBM Cognos Mobile 'APN' Apple Push Notification Certificate expired (2017 SP1)
Symptoms
The following email is being received:
Warning: Your APN certificate has expired.
The following message to <mobile.administrator@cognos.ibm.com> was undeliverable.
The reason for the problem:
5.1.2 - Bad destination host 'DNS Hard Error looking up cognos.ibm.com (A): domain has no A record'
Reason
The IBM Cognos Mobile Apple push notifications certificate expired.
Resolution
To continue using Apple push notifications with Cognos Mobile application, the certificate must be updated before it expires. Follow the instructions outlined in the URL to resolve the error: