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How to Sync Mobile Numbers from Active Directory to Microsoft Delve

Olivia MillerOlivia Miller Oct 28, 2026 868 views

Question details

The user needs to synchronize mobile phone numbers from an on-premises Active Directory to Microsoft Delve and SharePoint without relying on PowerShell scripts.

How to Sync a Mobile Number from Active Directory to Delve
Product
Microsoft 365 / Active Directory
Device & OS
not provided
Scenario
Updating employee contact information centrally in Active Directory and ensuring those changes reflect across Microsoft 365 services like Delve.
Observed behavior
Profile data must seamlessly map from the identity provider (Azure AD) to the user-profile synchronization services in SharePoint to update the Delve interface.
Before you start

Ensure you have the necessary administrative privileges in both your on-premises Active Directory and the Microsoft 365 admin center before monitoring or adjusting synchronization settings.

Solution 1Recommended

Utilize Azure Active Directory Connect Synchronization

Rely on the built-in Microsoft 365 identity and user-profile synchronization services to automatically push Active Directory updates to Delve.

Microsoft 365 handles profile data through a multi-step synchronization process. On-premises Active Directory changes are first synced to Azure Active Directory (Azure AD), which manages overall identity information. From there, SharePoint Online receives the profile data through dedicated user-profile synchronization timer jobs, which eventually updates Delve.

1
Update On-Premises Active Directory

Open your on-premises Active Directory Users and Computers (ADUC) console and update the 'Mobile' attribute for the targeted user profiles.

2
Sync with Azure AD

Allow Azure AD Connect to run its scheduled delta sync (usually every 30 minutes) to push the updated mobile numbers to Microsoft 365.

3
Wait for SharePoint Synchronization

Allow time for SharePoint Online's backend user-profile synchronization to pull the updated Azure AD data into the Microsoft Delve environment.

4
Seek Advanced Support if Needed

If the synchronization fails after waiting the required period, visit the Microsoft Q&A forum for specific backend or Microsoft Graph troubleshooting.

Utilize Azure Active Directory Connect Synchronization
Synchronization Delay: Profile synchronization between Azure AD and SharePoint/Delve is not instantaneous. It can take anywhere from 24 to 72 hours for updated attributes to fully propagate across all Microsoft 365 services.
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Frequently Asked Questions

Why is the updated mobile number not showing in Microsoft Delve immediately?

Profile synchronization between Azure Active Directory and SharePoint Online (which powers Delve) runs on scheduled background timer jobs. It can take up to 72 hours for changes made in Active Directory to fully propagate and appear in Delve.

Can I update user mobile numbers directly in Delve instead of Active Directory?

If your organization uses Azure AD Connect for identity management, user attributes like mobile numbers should be updated at the source (on-premises AD). Modifying them directly in Delve or Microsoft 365 can result in the changes being overwritten during the next directory sync cycle.

Where can I get support if my Azure AD Connect synchronization is failing?

For advanced backend synchronization issues, PowerShell queries, or Microsoft Graph API troubleshooting, Microsoft recommends posting your logs and specific scenarios on the official Microsoft Q&A forums dedicated to Azure Active Directory.