You create 200 new user accounts. The users are located in six different sites. New users report that they
receive the following error message when they try to log on: “The username or password is incorrect.”
You confirm that the user accounts exist and are enabled. You also confirm that the user name and password
information supplied are correct.
You need to identify the cause of the failure. You also need to ensure that the new users are able to log on.
Which utility should you run?

A.
Active Directory Domains and Trusts

B.
Repadmin

C.
Rstools

D.
Rsdiag

Explanation:
Repadmin allows us to check the replication status and also allows us to force a replication between domain
controllers.
Reference:
http://technet.microsoft.com/en-us/library/cc770963.aspx
Repadmin /replsummary
Identifies domain controllers that are failing inbound replication or outbound replication, and summarizes the
results in a report.
Repadmin /showrepl
Displays the replication status when the specified domain controller last attempted to perform inbound
replication on Active Directory partitions.
Repadmin /syncall
Synchronizes a specified domain controller with allreplication partners.