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Merge separate Exchange 5.5 and 2003 Global Address Lists

Merge and synchronize Global Address List data between an Exchange 5.5 and an Exchange 2003 organization with this tool suggested by our expert.

My company is running Exchange Server 2003 in native mode. We acquired a company running Exchange 5.5. The intent is for the companies to operate independently in their own domains. However, we would like to be able to merge the Global Address List (GAL) data. For example, in Microsoft Outlook I should see an Arkansas GAL (Exchange 5.5) and an Arizona GAL (Exchange 2003). This data should, of course, synchronize as changes are made. What's the best way to make this connection?
You'll want to have a look at the InterOrg Synchronization Tool from Microsoft. Check out the article " Exchange Server 5.5 Resource Guide: Tools and utilities" for more information.

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Related information from SearchExchange.com:

  • Expert Advice: Sync GAL and calendars of separate Exchange Server orgs
  • Expert Advice: Create a distribution list with data from another source
  • Tip: Updating Exchange Server Global Address Lists
  • Reference Center: Global Address List tips and resources
  • Reference Center: Microsoft Exchange replication and synchronization
  • This was last published in August 2007

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