Microsoft is working to fix a memory consumption issue affecting customers of its Antigen and Forefront security solution, indicating that at fault is the Norman antivirus engine. According to Microsoft, Forefront Security for Exchange Server, Forefront Security for SharePoint, Forefront Security for Office Communications Server, and the Antigen family of products were all affected by issues associated with Norman version 5.93.6. Molly Gilmore, a program manager on the Forefront Security Rapid Response Engineering team, explained that Forefront Server and Antigen product lines were both affected, but that most complaints came from Antigen customers.

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