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Global Catalog NSPI port has been 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: 2007-01-15

The Microsoft® Exchange Server Analyzer Tool reads the following registry entry on global catalog servers to determine whether the TCP/IP Port registry key is set:

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\NTDS\Parameters\TCP/IP Port

If the Exchange Server Analyzer finds that the TCP/IP Port registry key has been created and is set, a non-default configuration message is displayed.

The TCP/IP Port registry key is required when a global catalog server needs to use a specific port for servicing MAPI clients. If you do not have such a requirement in your Exchange environment, you can remove this key.

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importantImportant:
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\NTDS\Parameters

  3. Right-click the TCP/IP Port key, and then click Delete.

  4. Close the registry editor.

  5. Restart the computer for this setting to take effect.

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).

For more information about configuring RPC over HTTP, see the following Knowledge Base articles:

 
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