I did that and ended up with the following:
fwconsole ma downloadinstall xmpp
No repos specified, using: [commercial,standard,extended,unsupported] from last GUI settings
Starting xmpp download…
Processing xmpp
Verifying local module download…Verified
Extracting…Done
Module xmpp successfully downloaded
Installing/Updating MongoDB…MongoDB is not installed
Unable to install module xmpp:
Failed to run installation scripts
The I tried to yum install mongodb-server with no module available
This was a recently updated ISO, currently at 6.12.65-32, to prepare for v14