If your encounter problems downloading updates for Kaspersky 8 antivirus engine after installing Forefront Server Security Management Console (FSSMC) Hotfix Rollup 5 and Forefront Security for Exchange Server (FSE) SP2 Rollup 2. In the FSE programlog.txt you may see following error:
To resolve: "On FSSMC server: 1. Navigate to following file: C:\program files\Microsoft Forefront Security\Server\Server Management\Services\Redistribution\cache\localenginemapping.cab 2. Rename localenginemapping.cabto localenginemapping.old. When next new Kaspersky engine is pulled into FSSMC and distributed to FSE server at the next scheduled update, Kaspersky engine will successfully update," explains Microsoft in KB2410444.