to Jeff: 
after received you email(2022/04/28), we used the ISO you provided
(https://apc01.safelinks.protection.outlook.com/?url=https%3A%2F%2Freleases.ubuntu.com%2F22.04%2Fubuntu-22.04-live-server-amd64.iso&data=05%7C01%7Czhouling12%40lenovo.com%7C05be528e37df4e9b45c208da2889976d%7C5c7d0b28bdf8410caa934df372b16203%7C0%7C0%7C637866868672059200%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=f8ktLGF6FRgDmR8JszPtNtU%2B6d%2BenXjokuHm47BJWkI%3D&reserved=0)
to do following testing:
both used one notebook with Windows OS and wifi network to access the XCC of a 
Lenovo ThinkSystem server;
and to keep objectivity, I asked dedicated testers to do the testing:

1) the tester from my team to do the test:
network environment:
the notebook and the server - SR650V2 used were at the same lab, very close
   also got cloud-init failure reporting, pls see the pic -- test1-close.png 
attached,but when selecting "Close" option, the installation could continue, 
and complete; after installation completes, the OS can boot normally
2) the tester from PA to do the test, he is also this bug reporter in our 
bugzilla:
network environment:
the notebook and the server - SD630V2 used were at the same floor, the direct 
distance may tens of meters. but not over a VPN,  may through access 
point/router/switch/.
   got cloud-init failuare reporting, as in the pic -- test2-1-close.png 
attached ->
   selected "Close" to continue ->
   got no driver found reporting as in the pic --test2-2-no driver.png->
   got install failure -- test2-3-install fail.png, at this moment, we double 
checked that the ISO was for sure mounted, pls see test2-4-ISO.png.

from the testcase 2), I can assume that if one customer of ours uses a browser 
on his notebook to a server in the DC through wifi over a VPN to install 
ubuntu2204 via locally mounted media, also will get failure. There exist such 
customers like dann frazier, I think. If he asks us to resolve this, what shall 
we say to him? put your notebook closer to the server or not use wifi?  BMC 
products announce just as invented that the administrators can have 
a coffee outside and do anything they want to the servers in DC. And standardly 
current notebooks use wifi network. I agree with Dann,"high-latency media is a 
significant enough use case that we should try and support it.", and at the 
same time since our XCC has the function of mounting the ISO locally and 
install it to the target server, could you pls help us to resolve this issue? 
thank you very much!

** Attachment added: "pics for testing cases"
   
https://bugs.launchpad.net/subiquity/+bug/1946773/+attachment/5586879/+files/pic2.7z

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