No SMTP instance found

[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]  

Topic Last Modified: 2006-08-08

The Microsoft® Exchange Server Analyzer Tool queries the Active Directory® directory service distingushedName attribute of the protocolCfgSMTPServer object class to determine whether a Simple Mail Transfer Protocol (SMTP) virtual server instance is running for the user-specified Exchange gateway server name.

If the Exchange Server Analyzer cannot find an SMTP virtual service instance for the user-specified Exchange gateway server, the Exchange Server Analyzer displays an error.

This error may be caused by temporary networking issues but may also indicate incorrect information in Active Directory.

To resolve this issue, review the SMTP virtual server configuration for the user-specified Exchange gateway server.

To view the SMTP virtual server instance configuration

  1. Start Exchange System Manager:

    Click Start, point to Programs, point to Microsoft Exchange, and then click System Manager.

  2. Navigate to the following container:

    \Administrative Groups\GroupName\Servers\ServerName\Protocols\SMTP\SMTP Virtual Server Instance\

  3. Right-click the SMTP virtual server instance you want and then select Properties.

  4. Verify the SMTP virtual server instance configuration is correct.

For more information about SMTP virtual server settings, see the following Knowledge Base articles:

For more information about SMTP Service Design, see "SMTP Service Design" in the Technical Reference Guide for Exchange Server 2003 (

For more information about network connectivity problems, see the Microsoft Knowledge Base article 325487, "How to troubleshoot network connectivity problems" (