8-25
Cisco Secure ACS 3.0 for Windows 2000/NT Servers User Guide
78-13751-01, Version 3.0
Chapter8 Establishing Cisco Secure ACS System Configuration RDBMS Synchronization
You can configure synchronization to occur on a regular schedule. You can also
perform synchronizations manually, updating the CiscoSecure user database on
demand.
Synchronization performed by a single Cisco Secure ACS server can update the
internal databases of other Cisco Secure ACS servers, so that you only need
configure RDBMS Synchronization on one Cisco Secure ACS server.
Communication between Cisco Secure ACS servers for the purposes of RDBMS
Synchronization occurs using an encrypted, Cisco-proprietary protocol.
RDBMS Synchronization Components
The RDBMS Synchronization feature comprises two components:
•CSDBSync—A dedicated WindowsNT/2000 Service that performs
automated user and group account management services for
Cisco Secure ACS
•accountActions Table—The data object that holds information used by
CSDBSync to update the CiscoSecure user database

About CSDBSync

The CSDBSync service uses an ODBC system data source name (DSN) to access
the accountActions table. See Figure 8-2 on page 8-26. It looks specifically for a
table named “accountActions”. Synchronization events fail if CSDBSync cannot
access the accountActions table.