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Forcing a full sync with Office 365 Dir Sync

There was a warning in the Application part of the event viewer.

The management agent "TargetWebService" completed run profile "Delta Confirming Import" with a delta import or delta synchronization step type. The rules configuration has changed since the last full import or full synchronization.
</p><p>User Action
</p><p>To ensure the updated rules are applied to all objects, a run with step type of full import and full synchronization should be completed.

Every time you run the Directory Sync Configuration you will force a delta sync, which is an incremental sync and not a full sync. To force a full sync you’ll have to do the following.

1. Start the registry editor – regedit
2. Navigate to HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\MSOLCoExistence
3. Find the FullSyncNeeded DWORD and set it to 1
   
4. Start the Dir Sync Config Shell –

   %programfiles%\Microsoft Online Directory Sync\DirSyncConfigShell.psc1

5. Run the CMDlet Start-OnlineCoexistenceSync

You can follow the sync steps by opening the Miisclient located at –

C:\Program Files\Microsoft Online Directory Sync\SYNCBUS\Synchronization Service\UIShell\miisclient.exe

Good luck!