Outlook 2003 only uses TCP/IP or HTTP protocol bindings when it connects to an Exchange Server (832396)

The information in this article applies to:

Microsoft Office Outlook 2003
Microsoft Exchange 2000 Server
Microsoft Exchange Server 5.0
Microsoft Exchange Server 5.5

SUMMARY

Microsoft Office Outlook 2003 supports only the following two remote procedure call (RPC) bindings when Outlook 2003 connects to a server that is running Microsoft Exchange Server:

Protocol name	RPC protocol string
TCP/IP	ncacn_ip_tcp
HTTP	ncacn_http

MORE INFORMATION

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

For more information about RPC over HTTP in Outlook 2003, visit the following Microsoft Web site:

http://www.microsoft.com/office/ork/2003/three/ch8/outc07.htm#sub_1

Modification Type:	Minor	Last Reviewed:	8/17/2005
Keywords:	kbinfo KB832396 kbAudITPRO