R
read-only domain controller (RODC)

A domain controller containing a read-only full copy of an Active Directory database. The Active Directory database on a RODC cannot be altered. A RODC is used in an area or location that has limited security and is new in Windows Server 2008.

realm trust

A way to connect to a non-Windows domain that uses Kerberos authentication. Realm trusts can be transitive or nontransitive, one-way or two-way.

relative distinguished name (RDN)

Also referred to as the common name. This name specifies only part of the object's path relative to another object. For example, if a username is wpanek@stellacon.com, wpanek is the RDN.

Reliability and Performance Monitor

A Windows Server 2008 utility used to log and view ...

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