This article was previously published under Q285812
This article has been archived. It is offered "as is" and will no longer be updated.
On the Internet Security and Acceleration (ISA) Server computer, if the decimal symbol is configured to be anything other than a period (.), you cannot configure or use the SMTP filter. This symbol is based on the regional settings that are configurable on the Numbers tab in the Regional Options tool in Control Panel by specifying the character for the decimal symbol.
In some languages, the decimal symbol is a comma (,) by default. For example, the decimal symbol is a comma in German, French, Spanish, and Italian.
This problem can occur when ISA Server (the U.S. version) is used on systems on which the decimal symbol is set to be anything other than a period. This can happen in a localized operating system in which the decimal is usually a period but the user changes it to some other symbol (for example, a comma).
A supported hotfix is available from Microsoft. However, this hotfix is intended to correct only the problem that is described in this article. Apply this hotfix only to systems that are experiencing this specific problem. This hotfix might receive additional testing. Therefore, if you are not severely affected by this problem, we recommend that you wait for the next software update that contains this hotfix.
If the hotfix is available for download, there is a "Hotfix download available" section at the top of this Knowledge Base article. If this section does not appear, contact Microsoft Customer Service and Support to obtain the hotfix.
Note If additional issues occur or if any troubleshooting is required, you might have to create a separate service request. The usual support costs will apply to additional support questions and issues that do not qualify for this specific hotfix. For a complete list of Microsoft Customer Service and Support telephone numbers or to create a separate service request, visit the following Microsoft Web site:
Note The "Hotfix download available" form displays the languages for which the hotfix is available. If you do not see your language, it is because a hotfix is not available for that language.The English version of this fix should have the following file attributes or later:
Date Time Version Size File name Platform ----------------------------------------------------------------- 3/13/2001 4:37:12PM 3.0.1200.56 92,944 SMTPFLTR.DLL Intel
U.S., French, German, Japanese, and Spanish versions of Microsoft BackOffice Server and Microsoft Small Business Server versions of ISA Server require this hotfix.
All other localized builds of BackOffice Server do not need this hotfix.
NOTE: As with all other hotfixes, this hotfix cannot be installed on evaluation versions.
Microsoft has confirmed that this is a problem in the Microsoft products that are listed at the beginning of this article.
NOTE: If you are saving a hotfix locally, please be sure to refresh it from the Hotfix servers.
NOTE: Although the above note should prevent this, you may see that three redundant values were added to the registry. These will need to be fixed in order for IIS to work properly. For more information, please see the following article in the Microsoft Knowledge Base:
296938 Starting Internet Services Manager May Cause Error Message