---
title: "Ncloud Single Sign-On troubleshooting"
slug: "sso-troubleshoot"
updated: 2026-09-17T09:23:56Z
published: 2026-09-17T09:23:56Z
canonical: "guide.ncloud-docs.com/sso-troubleshoot"
---

> ## Documentation Index
> Fetch the complete documentation index at: https://guide.ncloud-docs.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Ncloud Single Sign-On troubleshooting

Available in Classic and VPC

You might run into the following problems when using Ncloud Single Sign-On. Find out causes and possible solutions.

## Adding MFA to an External IdP account

I want to add Multi-Factor Authentication (MFA) to an External IdP account.

#### Cause

I want to strengthen authentication for SSO user logins.

#### Solution

You can strengthen authentication for SSO user logins by implementing two-factor authentication such as SMS, email, or OTP.

To implement two-factor authentication, follow these steps:

1. In the NAVER Cloud Platform console, click **Menu** > **All Services** > **Management & Governance** > **Ncloud Single Sign-On** in order.
2. Click the **tenant** menu.
3. In the **Tenant** screen, check **External IdP login** > **Set login**.
4. Change the setting to **apply** **two-factor authentication**.
5. Select **Possession authentication item**.
  - You can select either email, SMS, or both email and SMS.
6. Click the **[save]** button.

## Unable to retrieve user information when integrating with Microsoft Entra ID

I cannot retrieve user information when integrating with Microsoft Entra ID.

#### Cause

This may occur if the SAML Attribute Name value sent from the IdP does not match the value set in the SP.

#### Solution

Make sure to enter the claim name set in Microsoft Entra ID exactly into the External IdP Parameter.

To enter a value in the External IdP Parameter, follow these steps:

1. Go to [Microsoft Entra ID integration > Attribute Mapping settings](/docs/en/sso-entraid#AttributeMapping%EC%84%A4%EC%A0%95) and check the **claim name** field.  

![sso-troubleshoot_entraid_en.png](https://cdn.document360.io/6998976f-9d95-4df8-b847-d375892b92c2/Images/Documentation/sso-troubleshoot_entraid_en.png?sv=2026-02-06&spr=https&st=2026-10-27T13%3A36%3A41Z&se=2026-10-27T14%3A36%3A41Z&sr=c&sp=r&sig=72nwpsNLgrrxvRTF9id6TOQboWIGC4aYNo9JpS0fJm8%3D)
2. Go to [Microsoft Entra ID integration > Attribute Mapper settings](/docs/en/sso-entraid#AttributeMapper%EC%84%A4%EC%A0%95) to access the Attribute Mapper settings screen on NAVER Cloud Platform.
3. Enter the claim name into the **External IdP Parameter** field.
  - You must enter the claim name, not the claim value.
  - If the claim name is "firstName," enter "firstName" into the External IdP Parameter field as well.  

![sso-troubleshoot_attribute_en.png](https://cdn.document360.io/6998976f-9d95-4df8-b847-d375892b92c2/Images/Documentation/sso-troubleshoot_attribute_en.png?sv=2026-02-06&spr=https&st=2026-10-27T13%3A36%3A41Z&se=2026-10-27T14%3A36%3A41Z&sr=c&sp=r&sig=72nwpsNLgrrxvRTF9id6TOQboWIGC4aYNo9JpS0fJm8%3D)

## Learning resources

We offer various materials for you to explore. To learn more about Ncloud Single Sign-On, check out these helpful links:

- FAQs: [Ncloud Single Sign-On FAQs](https://www.ncloud.com/support/faq/prod?categoryCode2=MGMT&categoryCode3=SV_0210&page=1).
- API guides: [Ncloud Single Sign-On API guides](https://api.ncloud-docs.com/docs/en/single-sign-on-overview).

              Note

              

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