> 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/cloud-configuration-guide/topics/authentication-with-microsoft-entra-id-ldap-server/troubleshooting.md).

# Troubleshooting

### **Chromebook Bug:**

* **Issue:** If a user selects an unsupported authentication method (e.g., EAP-TTLS + GTC) first and then switches to EAP-TTLS + PAP, they may encounter connection failures.
* **Solution:** Delete the wireless profile and create a new one, selecting EAP-TTLS + PAP directly.

### **Samsung Devices:**

* **Issue:** Samsung devices require the Domain field to be filled in. 
* **Solution:** Ensure that the Domain field is completed during configuration.

### **Google Pixel:**

* **Issue:** Google Pixel devices require a certificate to be installed for authentication.
* **Solution:** Follow the instructions provided by Google to install the necessary certificate. Refer to the [Google Support page](https://support.google.com/pixelphone/answer/2844832?hl=zh-Hant) for detailed steps.


---

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