How can I check why my PWP didn't switched during a server outage?

Discussion created by Andreas_Sprosec_7439 on Sep 30, 2016
Latest reply on Oct 10, 2016 by Daniel_Trimmel_2011
During an outage of a server the PWP didn't switched to another server.
No other WP took over the functionality of the PWP.

How I can find out the cause?