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HowTo: Run a full directory synchronization with Office 365

The first synchronization with DirSync is a full synchronization. Then all others synchronizations are delta synchronizations and are scheduled every 3 hours.

Open the Registry Editor and edit the following key:

HKEY_LOCALMACHINE\Software\Microsoft\MSOLCoExistence
Change FullSyncNeeded value to 1.

Open powershell and run:

Import-Module DirSync
Start-OnlineCoexistenceSync



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