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SRS port has been manually overridden

[This topic is intended to address a specific issue called out by the Exchange Server Analyzer Tool. You should apply it only to systems that have had the Exchange Server Analyzer Tool run against them and are experiencing that specific issue. The Exchange Server Analyzer Tool, available as a free download, remotely collects configuration data from each server in the topology and automatically analyzes the data. The resulting report details important configuration issues, potential problems, and nondefault product settings. By following these recommendations, you can achieve better performance, scalability, reliability, and uptime. For more information about the tool or to download the latest versions, see "Microsoft Exchange Analyzers" at http://go.microsoft.com/fwlink/?linkid=34707.]  

Topic Last Modified: 2005-11-18

The Microsoft® Exchange Server Analyzer Tool reads the following registry entry to determine whether the port value for the Microsoft Exchange Site Replication Service has been manually overridden:


If the Exchange Server Analyzer finds that TCP/IP is present and configured, a non-default configuration message is displayed.

The most common reason that this value is configured is to enable MAPI clients to connect to an Exchange server that is on the other side of a firewall. This scenario involves opening multiple ports on a firewall to enable Microsoft Office Outlook® 2003 clients to connect using MAPI to an Exchange server, typically over the Internet. This is a supported configuration. For more information about configuring MAPI clients to connect to Exchange through a firewall, see the Microsoft Knowledge Base article 270836, "Exchange 2000 and Exchange 2003 Static Port Mappings" (http://go.microsoft.com/fwlink/?linkid=3052&kbid=270836). If you are not using this scenario, you should remove the registry key.

The recommended deployment for using Outlook in MAPI Mode to connect to an Exchange server over the Internet is to use the RPC over HTTP features found in Microsoft Windows Server™ 2003, Exchange Server 2003, Outlook 2003, and Microsoft Windows® XP Professional. MAPI Mode was formerly referred to as "Corporate" or "Workgroup" mode.

This article contains information about editing the registry. Before you edit the registry, make sure you understand how to restore the registry if a problem occurs. For information about how to restore the registry, view the "Restore the Registry" Help topic in Regedit.exe or Regedt32.exe.

  1. Open a registry editor, such as Regedit.exe or Regedt32.exe.

  2. Navigate to: HKLM\System\CurrentControlSet\Services\MSExchangeSRS\Parameters

  3. Delete the registry value called TCP/IP.

  4. Exit the registry editor, and restart the Microsoft Exchange Site Replication Service.

  1. Review "Exchange Server 2003 RPC over HTTP Deployment Scenarios" (http://go.microsoft.com/fwlink/?linkid=47577).

  2. Review the Microsoft Knowledge Base article 833401, "How to configure RPC over HTTP on a single server in Exchange Server 2003" (http://go.microsoft.com/fwlink/?linkid=3052&kbid=833401).

  3. Review the Knowledge Base article 827330, "How to troubleshoot client RPC over HTTP connection issues in Office Outlook 2003" (http://go.microsoft.com/fwlink/?linkid=3052&kbid=827330).

  4. Review the Microsoft Support WebCast, "Using Microsoft Exchange over the Internet (RPC/HTTP) with Microsoft Office Outlook 2003" (http://go.microsoft.com/fwlink/?linkid=3052&kbid=829134).

Before you edit the registry, and for information about how to edit the registry, see the Microsoft Knowledge Base article 256986, "Description of the Microsoft Windows Registry" (http://go.microsoft.com/fwlink/?linkid=3052&kbid=256986).

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