Displays a list of replication failures that Knowledge Consistency Checker (KCC) is aware of. Run this command from the console ...

Displays a list of replication failures that Knowledge Consistency
     Checker (KCC) is aware of. Run this command from the console of each
     ISTG domain controller in the forest to discover replication failures
     for bridgeheads in the site for that ISTG.

     [SYNTAX]
     

     /failcache [DSA_LIST]