When you try to start Microsoft Office Outlook 2007 or Microsoft Office Outlook 2003, and you
have your e-mail account setup for a Microsoft Exchange Server, you may receive
the following error message:
A system component, RPC,
required by Outlook to connect to the e-mail server is not configured properly.
For more information, contact your system administrator.
For more
information, see Help and Support Center at
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This behavior may occur when any of the following registry
values are missing in the Microsoft Windows Registry.
| Value Name | Value Data |
| ncacn_np | Rpcrt4.dll |
| ncacn_ip_tcp | Rpcrt4.dll |
| ncadg_ip_udp | Rpcrt4.dll |
| ncacn_http | Rpcrt4.dll |
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To resolve this problem, follow these steps:
| 1. | Quit all Microsoft Windows programs. |
| 2. | Click Start, and then click
Run. |
| 3. | In the Open box, type
regedit, and then click OK. |
| 4. | Expand the Registry to the following key: HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Rpc\ClientProtocols |
| 5. | If any of the Registry values that are listed in the
"Cause" section of this article are missing from the
ClientProtocols key, follow these steps:
| a. | Right-click ClientProtocols, point to
New, and then click String Value. | | b. | Type the Value Name of the entry that
is missing, and then press ENTER. | | c. | Right-click the Value Name that you
typed in step b, and then click Modify. | | d. | Type the appropriate Value Data for
the Value Name that you typed in step b, and then click
OK. |
|
| 6. | Repeat step 5 for each missing value in the
ClientProtocols key. |
Note Microsoft Outlook cannot connect to a Microsoft Exchange server
if the registry entries that were previously mentioned are missing in the
Windows Registry.
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