Sign-in & Login Problems

How to Fix Repeated Authentication Errors When Signing In to Sway

Guest Writer Oct 10, 2026 870 views

Question details

The user needs to resolve an issue where Microsoft Sway repeatedly blocks sign-in attempts due to authentication errors.

How to Fix Repeated Authentication Errors When Signing In to Sway

Product: Microsoft Sway
Device & OS: not provided
Scenario: Attempting to log into Microsoft Sway but getting stuck in an authentication loop or being temporarily blocked.
Observed behavior: Sway temporarily blocks the sign-in process after detecting too many repeated authentication attempts, and the error persists or returns shortly after.

Before you start

Ensure you are using the correct Microsoft 365 login credentials and a stable internet connection before attempting to sign in again.

Solution 1Recommended

Wait and Escalate to Your Microsoft 365 Administrator

The most effective way to resolve persistent authentication blocks is to pause login attempts and escalate the issue to Microsoft Support through your administrator.

Microsoft Sway has built-in security measures that will automatically block your access temporarily if it detects multiple failed sign-in attempts. Continuing to force a sign-in will only prolong the block.

If the issue is caused by backend server problems, standard users cannot fix it on their own and require admin intervention.

Pause Sign-in Attempts

Stop attempting to sign in immediately to prevent triggering further security lockouts from Sway. Wait for at least 15 to 30 minutes before trying again.

Contact Your Administrator

If the error persists after waiting, reach out to your organization's Microsoft 365 administrator.

Open the Admin Center

Ask the administrator to log into the Microsoft 365 admin center.

Submit a Service Request

Instruct the administrator to navigate to 'Support' in the left-hand menu and select 'New service request'. Microsoft support engineers can then investigate authentication logs and service health to fix the issue.

Wait and Escalate to Your Microsoft 365 Administrator

Service Outages: Sometimes this issue is caused by backend Microsoft server outages. Your administrator can also check the Microsoft 365 Service health dashboard for known Sway incidents.

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Frequently Asked Questions

Why is Microsoft Sway temporarily blocking my sign-in?

Sway uses automated security protocols that temporarily block sign-in attempts if it detects too many failed or repeated authentication requests. This is designed to protect your Microsoft account from unauthorized access.

How long does a temporary sign-in block last on Sway?

Temporary blocks typically clear within 15 to 30 minutes if no further login attempts are made. However, if a backend server error is causing the authentication loop, the block may appear persistent until the core issue is resolved.

Can I bypass the Microsoft 365 admin to fix this authentication error?

If you are using a corporate or educational account, you generally cannot bypass this. Only the designated Microsoft 365 administrator has the necessary permissions to open a service request and have Microsoft Support investigate the tenant's authentication logs.

Login & Account Issues