For details, see the “Add a role to a role assignment policy” section of Manage role assignment policies.

parameter specifies the domain controller that's used by this cmdlet to read data from or write data to Active Directory.

This is called the Offline Address Book and is being generated on the Exchange server.

In order for some GAL entries to show up properly you may need to turn off Cached Exchange Mode.When changes occur within the main Global Address Book (GAL) on the Office 365, computers running Outlook 20/2016 may not automatically receive the updates.If this is happening, then you may notice missing, non-existent and/or incorrect entries.–For Instructions for Outlook 2007 –For Instructions for Outlook 2011 –For Common errors and troubleshooting Step 2: Uncheck the box next to Download changes since last Send/Receive.In the Information to download section, select Full Details and in the Address Book section, choose \Global Address List. **NOTE** Please read this section carefully, or your update will not work!!