This Knowledgebase article provides an overview of the Neverfail Application Module eXtension (AMX) for Trend Micro ScanMail for Exchange identifying the features and benefits of this product. Additional detailed information is contained in Knowledgebase article #669 - 'Trend Micro ScanMail for Exchange – Application Module eXtension – Feature List'.
There is a sister article ( Knowledgebase article #562 - 'Trend Micro ScanMail for Exchange – Application Module eXtension – Versions') that lists all of the current and supported versions of the AMX and the versions of related supported software.
Trend Micro ScanMail is an anti-virus solution for the Microsoft Exchange Server. The AM(X) protects all the configuration information required by the anti-virus, the anti-virus engine files, and the ScanMail services. For version 7 of TrendMicro ScanMail, Neverfail for IIS will be required to protect Trend's Virtual Directory in IIS.
TrendMicro ScanMail version 7 web site configuration is stored in an IIS Virtual Directory. Changes made in the IIS Manager Snap-in will not be replicated (please refer to Knowledgebase article #436 - 'The Trend Micro Scan Mail SMEX Web Site is Unavailable After a Switch') unless Neverfail for IIS has been installed.