Why F-Secure Anti-Virus for Microsoft Exchange gives scanning error messages and quarantines messages?
This applies to F-Secure Anti-Virus for Microsoft Exchange 6.30 on all the supported platforms. The default scanning logic in F-Secure Anti-Virus for Microsoft Exchange 6.30 is such that, if F-Secure Content Scanner Server fails to process a given file because of virus scanning engine malfunction or some other failure, the product will report scan failure for the file being scanned. If an error is reported for three consecutive scan attempts, the file will quarantined and removed from the Microsoft Exchange store. In some rare situations the virus scanning engines may remain in malfunction state after a particular file has been scanned. This may lead to a lot of quarantined items, especially if the error occurs before or during a backup operation. The quarantined items contain e-mail messages where the message body and attachments are saved in different files. This is due to the fact that the virus scanning interface (AV API) in the Microsoft Exchange Server delivers the messages divid
