Topic Last Modified: 2005-11-18

The Microsoft® Exchange Server Analyzer Tool queries the Win32_Service Microsoft Windows® Management Instrumentation (WMI) class to determine the value of the Started key for the Double-Take service. A value of True indicates that the Double-Take service is running on this Exchange Server. If the Double-Take service is detected on an Exchange Server, the Exchange Server Analyzer displays a non-default configuration message.

The Exchange Server Analyzer reports this non-default configuration for informational purposes only. No action is required.

Double-Take, from NSI Software, Inc., copies user-selected files or complete volumes from one or more source servers to one or more target servers over standard network connections. These copies allow businesses to resume quickly after a disaster or a system outage, with or without user intervention.

For more information about Double-Take, see the Web site, "Double-Take" (

Web addresses can change, so you might be unable to connect to the Web site or sites mentioned here.

Double-Take is data replication software. For detailed information regarding multi-site data replication for Exchange 2000 Server and Exchange Server 2003, see Microsoft Knowledge Base article 895847, "Multi-site data replication support for Exchange 2003 and Exchange 2000," (