Appendix: Global catalog for

Connect

and

Presence

The global catalog is a distributed data repository that contains a searchable, partial representation of every object in every domain in a multi-domain Active Directory Domain Services (AD DS) forest. Global catalogs are typically used in a single AD DS forest that has more than one domain. A global catalog provides a way for products and services to access data that is available in other domains in the same forest. For more information, see the

Microsoft

resource What Is the Global Catalog?.

You can configure the

Connect

service to use the global catalog so that the

Connect

service can find users who exist in other domains within your AD DS forest. This enables the

BlackBerry Connect

app to search for people in those other domains and start conversations with them, or add them to the contact list.

You can also configure the

Presence

service to use the global catalog so that the

Presence

service can subscribe the receive presence information for

Skype for Business

users who exist in other domains within your AD DS forest. This is helpful if you are using a

Presence

client, such as

BlackBerry Work

, by users who email with others who reside in other domains in your AD DS forest.

In addition to configuring the

Connect

and

Presence

services to use the global catalog, you must replicate some additional

Skype for Business

attributes to the global catalog. You must perform this set up only once, whether the global catalog is used for one or both services. Some environments might require some

Active Directory

attributes to be correctly replicated to the global catalog in the other domains. For more information, see KB 46152.