If you have an Adobe Campaign Classic issue where push notification tokens are not received in MKT (marketing) server, restart the web server process, and the token should be retrieved successfully in Campaign.
Description
Environment
Adobe Campaign Classic v7 (ACC v7)
Issue/Symptoms
Push notification tokens are not being received in the MKT (marketing) server.
NOTE: This can also apply to on-premises MKT (marketing) instance configurations.
Resolution
Restart the web server process, and the token should be retrieved successfully in Campaign.
Cause
The web server process was not responding nor running.