User Profile Service Application
The
User Profile Service Application stores information about users in a
centralized location used by SharePoint’s social computing features to support
natural collaboration. The User Profile Service Application is also
required when provisioning My Site personal sites, enabling certain social
computing features such as newsfeeds, and the creation and distribution of user
profiles across server farms or sites.
To learn more about the User Profile Service Application see
also http://technet.microsoft.com/en-us/library/ee662538.aspx.
The User Profile Service Application is based on
technologies provided through ForeFront Identity Manager which provides a
comprehensive solution for identity and credential management and
identity-based access policies.
To learn more about ForeFront Identity Manager see also http://www.microsoft.com/en-us/server-cloud/forefront/identity-manager.aspx.
Since RTM the User Profile Service Application has been
incrementally improved through Cumulative Updates and Service Packs to improve
both its performance and resiliency. Recent improvements include:
- Parallel
SharePoint, Active Directory, and Business Connectivity Services import
and export support
- ForeFront
Identity Manager performance improvements
- Reduction
of full table scans and indexing specific user properties
- Batch
import of Business Connectivity Services user properties
- Removed
automatic provisioning of users and groups to ILM MA
- Programmatic
cleanup of large run histories
- Resolution
of AD-Contact objects in ForeFront Identity Manager as opposed to
SharePoint Server 2010
As a result of these improvements there has been a dramatic
reduction of the time required to import user information into
SharePoint. For example, inside of Microsoft on the RTM version of
SharePoint Server 2010 with 100,000 users our profile import duration for full
sychronization commonly required 2 weeks to complete and 2-3 days to support an
incremental synchronization. This same scenario on SharePoint Server 2010
with the December 2011 Cumulative Update has been reduced to 120-140
hours for a full synchronization and 6 hours for an incremental
synchronization.
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