After the patch has applied, the portal starts and gives a 404 error in the Portal console.
| at sun.nio.ch.Net.bind0(Native Method)
FINEST|2352/0|21-03-24 21:57:26| at sun.nio.ch.Net.bind(Net.java:433)
In the netstat output we noticed connection attempts from other services to port 8443.
To clear out all TCP connections and services, I suggested a reboot.
>netstat -a -n
Release : 4.9.1
Component : CA Agile Requirements Designer - TMX Script Generator
Restart the Server to clear all the tcp connections.