Displays inbound replication requests that the DC needs to issue to become consistent with its source replication partners. ...

Displays inbound replication requests that the  DC needs to issue
     to become consistent with its source replication partners.

     Growth in the number of items in the queue with system up time can be 
     caused by too many concurrent replication partners, high change rates 
     to objects in Active Directory, or insufficient CPU or network bandwidth
     for the amount of data being replicated. 

     [SYNTAX]

     /queue [DSA_LIST]
     
     [EXAMPLES]
     
     The following command targets all DC's in the site HQ and returns 
     the queue of inbound replication requests yet to be processed on each one.
     
     repadmin /queue  site:HQ