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Outlook Web Access only displays parent directories

Outlook Web Access (OWA) only displays parent directories, not its normal Web interface. Can you tell me why this is happening and how to set it back to normal?

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This may occur for various reasons depending on the version of Exchange Server that you are running. But most typically, the cause is configuration changes that occur in Internet Information Server (IIS) or in the permissions of the OWA directories.

I have found that a reapplication of the latest service pack usually corrects the problem, or sometimes even a simple reboot of the Exchange Server. You can also check out the Microsoft Knowledge Base article 298513, "Removal of application mappings may cause an HTTP 404 error in Outlook Web Access."

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Related information from

  • Tip: Recreating IIS virtual directories for OWA
  • Tip: IIS troubleshooting tips
  • Step-by-Step Guide: How to repair Exchange-related IIS virtual directories
  • Administration Guide: Outlook Web Access
  • Reference Center: Exchange Server and IIS interoperability resources
  • Reference Center: Outlook Web Access tips and resources
  • This was first published in January 2007

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