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Security Policy Errors

How to Fix Exchange Calendar Sharing Changes Not Reflecting in Secure Score

Maira MehtabMaira Mehtab Oct 10, 2026 869 views

Question details

Exchange Online organization sharing policies restricting external calendar viewing have been updated, but the changes are not immediately reflected in the Microsoft 365 Secure Score.

How to Fix Exchange Calendar Sharing Changes Not Reflecting in Secure Score
Product
Microsoft 365 Exchange Online
Device & OS
not provided
Scenario
Monitoring security compliance and scoring after implementing tighter external calendar sharing restrictions.
Observed behavior
The Microsoft Secure Score fails to immediately recognize or reflect the newly applied Exchange calendar sharing restrictions.
Before you start

Ensure your Exchange Online organization sharing policy was saved successfully without errors, and be aware that Secure Score updates are asynchronous, often taking up to 24-48 hours to reflect changes.

Solution 1Recommended

Allow Time for Sync and Create a Service Request

Secure Score updates are not instantaneous; if the dashboard doesn't update after 48 hours, a backend synchronization check by Microsoft Support is required.

Microsoft Secure Score calculates and updates data asynchronously. Even when your configuration is correct, changes made to organization sharing policies might not immediately update your score.

Because tenant-level synchronization logs cannot be directly accessed or reviewed by users, you will need to involve Microsoft Support to investigate stuck sync states.

1
Wait for standard synchronization

Allow at least 24 to 48 hours to pass after making the calendar sharing policy changes to see if the Secure Score updates automatically.

2
Log in to Microsoft 365 Admin Center

Navigate to admin.microsoft.com and log in with your global administrator or support administrator credentials.

3
Navigate to Support

Click on 'Support' in the left-hand navigation pane, then select 'Help & support' to open the service request panel.

4
Submit a New Service Request

Describe your issue, stating that 'Exchange calendar sharing policies were restricted for external users, but the changes are not reflecting in Secure Score.' Request that they check the synchronization and implementation status.

Allow Time for Sync and Create a Service Request
Alternative Contact Method: If you cannot access the admin center, you can also use Microsoft's global customer service phone numbers to initiate a support ticket.
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Frequently Asked Questions

How long does it take for Secure Score to update after policy changes?

Microsoft Secure Score is not updated in real-time. It typically takes between 24 and 48 hours for the system to process backend changes and reflect newly implemented security configurations.

How can I verify my current Exchange calendar sharing policy?

You can verify your sharing policy settings by logging into the Exchange admin center, navigating to the 'Organization' tab, and reviewing the 'Sharing' settings for external users to ensure the restrictions are active.

Can I manually force a Secure Score synchronization?

No, there is no manual trigger available to administrators to force a Secure Score synchronization. If the score does not update automatically after 48 hours, you must contact Microsoft Support for assistance.