Friday, 31 March 2017

Global Catalog, Sites in Windows Server 2012 by NetworkingGeeks?

Global Catalog

  • The Global Catalog comes under Multi Master Operation Role that contains Complete information of Host Domain and the Partial Information of the Other Domain  in a Forest. 
  • By searching against Global Catalog, Individual domains do not have to be queried in most cases Global Catalog can resolve. 
  • Servers that holds the copy of Global Catalog are called as Global Catalog Server.  


  • A site is well- connected IP subnets.
  • A site can be generally used for locating services (EX- Logon), Replication, Group Policy application.
  • Sites are connected with site links.
  • A site can span multiple Domains.
  • A domain spans multiple sites.

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