The RPC over HTTP Proxy component is not installed or is not configured correctly. Use the Windows Component Wizard to add the RPC over HTTP Proxy component to the Networking Services.

Details
Product: Exchange
Event ID: 2003
Source: MSExchange RPC Over HTTP Autoconfig
Version: 8.0
Symbolic Name: ProxyNotInstalled
Message: The RPC over HTTP Proxy component is not installed or is not configured correctly. Use the Windows Component Wizard to add the RPC over HTTP Proxy component to the Networking Services.
   
Explanation

This Error event indicates that the RPC over HTTP Proxy component of the Networking Services is not installed or is configured incorrectly. The Outlook Anywhere feature requires the RPC over HTTP Proxy component to be installed on the Exchange Client Access server. When the RPC over HTTP component is installed and the Secure Sockets Layer (SSL) certificate for the default Web site is configured appropriately, the RPC over HTTP Autoconfiguration component sets and maintains the remaining required Exchange Client Access server configuration.

   
User Action

To resolve the error, follow these steps on the Exchange Client Access server:

  1. From Add or Remove Programs, select Add/remove Windows Components.

  2. If the RPC over HTTP component of the Networking Services is not installed, use the Windows Components Wizard to add the RPC over HTTP proxy component.

    Note   After the component is installed, it may take 15 minutes before the Exchange Client Access server is fully configured for Outlook Anywhere operation.

If you are not already doing so, consider running the tools that Microsoft Exchange offers to help administrators analyze and troubleshoot their Exchange environment. These tools can help you make sure that your configuration is in line with Microsoft best practices. They can also help you identify and resolve performance issues, improve mail flow, and better manage disaster recovery scenarios. Go to the Toolbox node of the Exchange Management Console to run these tools now. For more information about these tools, see Toolbox in the Exchange Server 2007 Help.

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