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AAD Connect (DirSync) Soft-Matching

August 15, 2017 | by iaur | posted as Active Directory, Azure AD


  • You have an MSOL user to match with its Active Directory (AD) object
  • Your alias changes in your AD is not occur in Admin Center
  • You are having issue following DirSync soft matching found in Microsoft articles


AAD Connect (DirSync) Soft-Matching is another word for SMTP matching. In addition, it is a steps to match on-premises user accounts to Office 365 user accounts for AD sync

In this example, we will use the made up object below to apply AAD Connect (DirSync) Soft-Matching steps.

  • (Msol Cloud object)
  • (On-prem AD object)

Firstly, you will have to enable AD Users and Computer (ADUC) advance feature.

  1. Go to your On-Prem AD > ADUC
  2. View Tab> Advance Features should be checked
  3. After that, locate to the target users account
  4. Right Click > Properties
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After that, apply or confirm below details in the Account & Attribute Editor tab.

  1. Go to account tab
  2. After that, change user logon name to the cloud UPN
  3. Click on Attribute Editor
  4. After that, change the following
    • Mail to (Cloud)
    • userPrincipalName to¬† (Cloud)
    • proxyAddress to (Cloud)
    • Target address to (Cloud)
      • Note: SMTP is the primary
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Lastly, you will have to confirm the changes and force an Azure AD (AAD) connect sync.

  1. Click OK and Apply
  2. After that, run Delta Sync
    • On your AD server
    • Open a PowerShell session
    • Type in: Start-ADSyncSyncCycle -Policytype Delta
  3. Check Synchronization Service > Exported ( > Updates
  4. Lastly, ensure that 0 minute is showing as last sync time. On admin center > Home > DirSync Status card
AAD Connect (DirSync) Soft-Matching

Still not matching? Try doing a Hard-Matching.


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