Top Forefront Security for Exchange Server Solutions from Microsoft Supporthttp://support.microsoft.com/ph/13029The latest support information about Forefront Security for Exchange Server Solutions from Microsoft Product Support Services. Required Accounts and Permissions for Installing Forefront Server productshttp://blogs.technet.com/b/fssnerds/archive/2008/11/14/required-accounts-and-permissions-for-installing-forefront-server-products.aspx#phrssSharePointExchange ServerManagement ConsoleThere are several different accounts and permissions that are required for successful installation of Forefront server products. This blog discusses those accounts and permissions. Mailbox Performance with Forefront Security for Exchange Serverhttp://blogs.technet.com/b/fss/archive/2007/06/19/mailbox-performance-with-fss.aspx#phrssExchange Server Guidelines about how to install and to uninstall Forefront Security for Exchange Server or Forefront Protection 2010 for Exchange Server on an Exchange 2007 cluster continuous replication (CCR) clusterhttp://support.microsoft.com/kb/929081#phrssExchange ServerForefront Protection 2010 for Exchange Server Forefront Security for Exchange Server fails in a single copy cluster environmenthttp://support.microsoft.com/kb/939365#phrssExchange Server Forefront Security for Exchange Server Best Practices - Bias settinghttp://technet.microsoft.com/en-us/library/bb795194.aspx#phrssExchange ServerThe bias setting controls how many engines are used to provide you with an acceptable probability that your system is protected (realizing that there is a trade-off between virtual certainty and system performance). The more engines you use, the greater the probability that all viruses are caught. However, the more engines you use, the greater the impact on your system’s performance. While Forefront Security for Exchange Server uses a very efficient in-memory scanning process, each additional engine adds to scanning time and resource usage.