Cannot Access WLC 4404 Administration page using https
We have recently upgraded the software on our two WLC 4404 from software release 4.0.xxx to 4.2.xxx to 184.108.40.206 and lastly to version 220.127.116.11.
We could access the WLC's GUI's using https when it was on version 4.0.xxx. When we did the upgrades from version 4.2.xxx to 18.104.22.168 we couldn't access the Admin page through https anymore but only through normal http. We enabled https through the GUI and through the CLI and we did do the re-generation certificate , without any success. We then upgraded to version 22.214.171.124 and we still have the same result , cannot access Admin GUI through https.
Re: Cannot Access WLC 4404 Administration page using https
I rember met similar issue long time ago when upgraded from 4.x to 5.0.x(can't remember the exact version), at that time it was because of the intermediate version had bug, there are some certain intermediate version needed.
In your case, you can try to downgrade WLC to the initial 4.0.xxx, then upgrade from 4.0.xxx to 4.2.176, then upgrade to 7.0.98.
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