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Authoritative Restore Tool

The following is Tip #16 from "25 Exchange 2003 Tips in 25 minutes."

The following is Tip #16 from "25 Exchange 2003 Tips in 25 minutes." This content is excerpted from Scott Schnoll's book, "Microsoft Exchange Server 2003 Distilled," brought to you by © (2004) Pearson Education, Inc. Publishing as Addison-Wesley Professional. Return to the main page for more tips on this topic.


The Authoritative Restore tool, AUTHREST.EXE, is used to force a directory database that was restored from backup to replicate to other servers. It is used in Mixed Mode Exchange environments that run Exchange 5.5 and the Exchange 2003 Site Replication Service. AUTHREST.EXE is not new to Exchange 2003 -- it has also been available with all previous versions of Exchange -- however, it has been updated for use with Exchange 2003.

This tool is generally needed only in a scenario where a directory server containing data older than the production directory needs to be restored and the missing data must be backsynchronized to the other production servers. This scenario happens if valid directory data is accidentally or intentionally deleted. If directory information does go missing from your organization, you have two choices. If you have a backup of the directory information, you can restore it and then use AUTHREST.EXE to backsync it (i.e., replicate the missing data back into the directory). If you don't have a backup, you will need to recreate all of the data.

For more information on using the updated version of the Authoritative Restore tool, see the Read Me included with this tool.


Get more "25 Exchange 2003 Tips in 25 minutes." Return to the main page.

About the author: Scott Schnoll, an Expert on SearchExchange.com, is an MCT, MCSA and a long-time Microsoft Most Valuable Professional (MVP).

In addition to writing "Microsoft Exchange Server 2003 Distilled," he is a co-author of the upcoming "Exchange 2003 Resource Kit from Microsoft Press" and lead author for "Exchange 2000 Server: The Complete Reference."

Scott has written numerous articles for Exchange & Outlook Magazine, and is a regular speaker at Microsoft conferences, including MEC and TechEd, as well as industry conferences such as Comdex and MCP TechMentor, where he covers topics such as Exchange, clustering, Internet Information Services and security.

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