How to Sync Office Communications Server with a Local Active Directory

Click Configure under the Directory Synchronization section.

Check the box next to "I have read the planning document. Then under step 2 click Enable.

A pop-up window will appear for verification. Click Enable in the pop-up window.

Under step 3 click Download.

From the local desktop where the Directory Sync tool was installed, follow the setup instructions.

After setup, all user accounts will be disabled by default. You will now need to take the following steps to verify and activate users.

Verify that the directory synchronization has worked and activate users

From the Microsoft Online Services Admin Center, click the Users tab and the click the sub field User List.

Under the left panel Views, click Disabled user accounts.

Select the users that you wish to activate. Under Actions click Activate User Accounts.

A pop-up window will appear. Click Next and then Activate.

To confirm that the users have been activated, under the left Views panel, click All enabled users.

The synced users will now have a green synced icon next to their Display name confirming that they have successfully been synced.