> For the complete documentation index, see [llms.txt](https://doc.engenius.ai/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://doc.engenius.ai/home-cloud-white-papers/authentication-with-microsoft-active-directory-ad-server-for-wireless-users/troubleshooting.md).

# Troubleshooting

* Chromebook Bug:&#x20;

Note: Some browsers might pop up a Not-Trusted warning message for self-signed certificates. If this is the case, the user must search for an official Certificate Authority (CA) to apply for a (CA) certificate to avoid the warning message.&#x20;

* Samsung devices must fill in Domain&#x20;
* Google Pixel requires instaling the Certificate <https://support.google.com/pixelphone/answer/2844832?hl=zh-Hant>
* Learn more about EnGenius Cloud：<https://www.engenius.ai/cloud>


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