The Knowledge Consistency Checker (KCC) is a Microsoft Windows AD component that automatically generates and maintains the AD intra-site and inter-site replication topology.

You can disable the KCC’s automatic generation of intra-site or inter-site topology management, or both:
How to disable the Knowledge Consistency Checker inter-site topology generation for all sites :

Problem:You want to disable the KCC for a site and generate your own replication connections between domain controllers.


  1. Open ADSI Edit.

  2. Connect to the Configuration Naming Context if it is not already displayed.

  3. In the left pane, browse to the cn=Sites folder.

  4. Click on the site you want to disable the KCC for.

  5. In the right pane, double-click CN=NTDS Site Settings.

  6. Modify the options attribute. To disable only intra-site topology generation, enable the 00001 bit (decimal 1). To disable inter-site topology generation, enable the 10000 bit (decimal 16). To disable both, enable the 10001 bits (decimal 17).

  7. Click OK.