404 error when accessing QRadar Suite Software

When your QRadar® Suite Software environment has multiple fully-qualified domain names (FQDN) you may encounter a 404 error.

Symptoms

You encounter a 404 error when you try to access QRadar Suite Software.

Resolving the problem

Check to see if the ambassador pod is running by typing the following command.
```
oc get pods | grep ambassador
```
Edit the ambassador configuration file by typing the following command.
```
oc edit svc ambassadorcfg
```
Edit the first line that says alpn_protocols: h2, http/1.1 to alpn_protocols: http/1.1.
Important: This text appears multiple time in the configuration file. Update only the first instance.
Save and exit the configuration file by typing the following command.
```
:wq!
```
Delete the ambassador pod by typing the following command.
```
oc delete pod -lname=ambassador
```
Wait two minutes and check to see if the ambassador pod is running by typing the following command.
```
oc get pods | grep ambassador
```

When the ambassador pod is running again, you can access QRadar Suite Software.