To do this, make sure you can view changes in LAG via the Microsoft Outlook web application. Make sure the Global Address List (GAL) is up to date. Source: Outlookĭescription: The operation failed. In case you cannot download the OAB, you will find the following event in the application’s event log. Not downloading Offline address book files. You may also receive an error message similar to the following error in a sync log message when you try to download the Address Book offline (OAB) : Microsoft Exchange offline address book Instead, another address list such as “All Users” is displayed and the GAL must be manually selected in the Show this Address List as First Address Book option when opening the Address Book. If Microsoft Outlook is set to Cached Exchange mode and you open the address book, the Global Address List (GAL) is not displayed by default. Not downloading the Outlook address book is often a problem encountered by many users, and it occurs because the BITS queue is full. Update: Stop getting error messages and slow down your system with our optimization tool.
Install the latest updates for Office and Office 365 Desktop.Make sure the Global Address List (GAL) is up to date.
