A few months back, when I was trying to configure 2FA under the VMWare Horizon admin portal I ended up having the above error. I had to spend a few hours to figure out what went wrong. Finally, it was a typo error (lol).
The incorrect Domain Controller IP information was entered into the DaaS service center. Since we were getting ready for the go-live, I had no time for a full restore/configuration. What I did was edit the Tenant Appliance IP information and execute a restoration of the Appliances. Below is the step-by-step guide.
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