Outlook 2003 and Outlook 2007 only use TCP/IP or HTTP protocol bindings connecting to an Exchange Server

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Article ID: 832396 - View products that this article applies to.
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Microsoft Office Outlook 2007 and Microsoft Office Outlook 2003 support only the following two remote procedure call (RPC) bindings when Outlook connects to a server that is running Microsoft Exchange Server:
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Protocol nameRPC protocol string

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Outlook 2007 and Outlook 2003 can connect to a Microsoft Exchange server only by using either RPC over TCP/IP or RPC over HTTP. Outlook 2007 and Outlook 2003 do not try to use named pipes or any other RPC binding method to establish a connection to an Exchange server.


Article ID: 832396 - Last Review: September 3, 2013 - Revision: 4.0
Applies to
  • Microsoft Office Outlook 2007
  • Microsoft Office Outlook 2003
  • Microsoft Exchange 2000 Server Standard Edition
  • Microsoft Exchange Server 5.0 Standard Edition
  • Microsoft Exchange Server 5.5 Standard Edition
kbinfo KB832396

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