70-640_Lesson04_PPT_041009

70-640_Lesson04_PPT_041009 - Global Catalog and Flexible...

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Global Catalog and Flexible Single Global Catalog and Flexible Single Master Operations Master Operations (FSMO) Roles (FSMO) Roles Lesson 4
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Skills Matrix Skills Matrix Technology Skill Objective Domain Objective # Configuring Additional Global  Catalog Servers Configure the global catalog 2.5 Placing FSMO Role Holders  Configure operations  masters 2.6
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Global Catalog Global Catalog Critical component of Active Directory. Acts as a central repository by holding: A complete copy of all objects from the host server’s local domain. A partial copy of all objects from other domains within the same forest Used for logon, object searches, and universal group memberships.
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Global Catalog Global Catalog Global catalog placement considerations include: The speed and reliability of the WAN link. The amount of traffic that will be generated by replication. The size of the global catalog database. When a user initiates a search for an object in Active Directory, the request is automatically sent to TCP port 3268. Global catalogs are identified with DNS through the SRV records (global catalog, or _ gc , service).
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Universal Group Membership Caching Universal Group Membership Caching Available with Windows Server 2003 and Windows Server 2008. Used for sites that do not have a global catalog server available. Stores universal group memberships on a local domain controller that can be used for logon to the domain, eliminating the need for frequent access to a global catalog server. Allows domain controllers to process a logon or resource request without the presence of a global catalog server. Assuming a user has successfully logged on when a global catalog server was available and universal group membership caching was enabled.
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Universal Group Membership Caching Universal Group Membership Caching Enabled on a per-site basis. By default, cache is refreshed every eight hours.
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Universal Group Membership Caching Universal Group Membership Caching It eliminates the need to place a global catalog in a remote location where the link speed is slow or unreliable. It provides better logon performance for users with
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This note was uploaded on 12/17/2010 for the course TECHNOLOGY MNE 210 taught by Professor Na during the Spring '10 term at Sullivan.

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70-640_Lesson04_PPT_041009 - Global Catalog and Flexible...

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