46. Default replication time in Active directory

By default (KCC) knowledge consistency checker runs at 15 mins interval and replicates between domain controllers.

 There are two protocols used to replicate AD:

1. Remote Procedure Call (RPC) is used to replicate data and is always used for intrasite replication since it is required to support the FRS. RPC depends on IP (internet protocol).

2. Simple Mail Transfer Protocol (SMTP) may be used for replication between sites.

45. How to configure Global catalog server

Enabel or Disable Global catalog Server in a Domain controller

1. Click Start menu > Administrative Tools

2. Open Active Directory Sites & Services >

   Expand to server NTDS settings and right click properties

  Select the Global catalog  check box to enable it

 or 

Clear the Global catalog check box to diasble it.