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404 error during SSO into Microsoft 365 logins when ADSelfService Plus is the IdP

The 404 error can sometimes occur during SSO logins into Microsoft 365. Let's see the cause for this and how to resolve this.

Error text displayed : We can't connect you. Looks like we can't connect to one of our services right now. Please try again later, or contact your help desk if the issue persists. HTTP 404.

Description : When attempting to login to Office 365 from a Windows workstation, users get a 404 error that reads, "We can't connect you. Looks like we can't connect to one of our services right now. Please try again later, or contact your help desk if the issue persists. HTTP 404".

Applies to: SSO into Microsoft 365 when ADSelfService Plus is the IDP.

Cause: This error message is a Microsoft error message that could indicate a Windows registry setting has not been configured.

Solution: The issue does not pertain to ADSelfService Plus. It is recommended to contact the Microsoft support team to resolve the issue.

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Highlights of ADSelfService Plus

Password self-service

Allow Active Directory users to self-service their password resets and account unlock tasks, freeing them from lengthy help desk calls.

One identity with single sign-on

Get seamless one-click access to 100+ cloud applications. With enterprise single sign-on, users can access all their cloud applications using their Active Directory credentials.

Password and account expiry notification

Intimate Active Directory users of their impending password and account expiry via email and SMS notifications.

Password synchronization

Synchronize Windows Active Directory user passwords and account changes across multiple systems automatically, including Microsoft 365, Google Workspace, IBM iSeries, and more.

Password policy enforcer

Strong passwords resist various hacking threats. Enforce Active Directory users to adhere to compliant passwords by displaying password complexity requirements.

Directory self-update and corporate directory search

Enable Active Directory users to update their latest information themselves. Quick search features help admins scout for information using search keys like contact numbers.

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