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LS,

A few months ago I configured our recently acquired Windows Server 2008 server. I set up the IIS SMTP, everything was working great.

However, a few days back the IIS SMTP server just lost it's configuration (I used the default SMTP server, and changed it's settings).

How can this possibly happen?

Kind regards,

Matthias Vance

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2 Answers 2

up vote 0 down vote accepted

Edit: It occurred to me that I recently installed a number of Windows Updates just prior to the restart, here's the culprit:

  • KB976323

http://social.msdn.microsoft.com/Forums/en-US/windowssecurity/thread/c87f4186-8842-4f50-b73c-d99e93a9f53c

http://codepolice.net/2010/04/19/ms10-024-and-kb976323-will-reset-your-iis-smtp-settings/

Bump: I just experienced the same problem. I run a number of web servers (Windows Server 2008 SP2 Web Edition) that all use IIS6's built in SMTP server to relay email. All the boxes rely on a common instance of SQL Server.

A few days ago, we restarted the SQL Server, so the sites started throwing errors - which obviously couldn't be logged to the database. As a fail safe, we have the sites send the error emails to an admin email address.

We then restarted each web server only to notice that no email is being delivered. My investigation has revealed that none of the SMTP configuration has been retained.

Do I really have to redo this for every server every time I restart? How can this configuration loss be prevented?

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Thank you for noting the Windows Update. –  user215361 Apr 24 '10 at 7:34

This may not be the case, but I found that the SMTP service on Server 2008 is set to Manual startup by default after installing the role. So when we rebooted several 2008 Servers the service was stopped. Ensure it's set to Automatic within Services.

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This is useful for people that are setting up the SMTP service and do not know about this. However, it is irrelevant for my question. –  user215361 Apr 24 '10 at 7:33

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