Policy
Block Global Address List synchronization
This policy setting allows you to block the synchronization of contacts between Outlook and the Global Address List (GAL). If you enable this policy setting, GAL contact synchronization is blocked. If you disable or you do not configure this policy setting, GAL contact synchronization is allowed.
PackMicrosoft Office
CategoryMicrosoft Outlook 2016 / Outlook Social Connector
Policy ID
0a6d846b0794Internal name
L_BlockGlobalAddressListSynchronizationRegistry
Copy registry mappings
HKCU\software\policies\microsoft\office\outlook\socialconnector\disablecontactgalsync (enabled) = 1
HKCU\software\policies\microsoft\office\outlook\socialconnector\disablecontactgalsync (disabled) = 0Policy notes
This policy setting allows you to block the synchronization of contacts between Outlook and the Global Address List (GAL). If you enable this policy setting, GAL contact synchronization is blocked. If you disable or you do not configure this policy setting, GAL contact synchronization is allowed.
Related policies
Block network activity synchronizationBlock social network contact synchronizationBlock specific social network providersDisable Office connections to social networksDo not allow on-demand activity synchronizationDo not download contact photos from Active DirectoryDo not show social network info-bars