Article ID: 943556 - View products that this article applies to.
Microsoft Forefront Client Security, Forefront Endpoint Protection 2010, and Microsoft System Center 2012 Endpoint Protection scan the files and folders on your computer for malicious programs that are known as malware. By default, all files and folders are included when the programs scan your computer. However, you can configure Forefront Client Security, Forefront Endpoint Protection 2010, and System Center 2012 Endpoint Protection to skip certain files or folders when they scan the computer. We recommend that you do not perform a malware scan on the files for certain programs or for operating system roles. This is to help prevent the following issues:
Note The information in this article also applies to other antivirus or antimalware programs that you may use. Also, if you run an antivirus or antimalware program on a computer that is running a third-party program or service, we recommend that you contact the program vendor. The program vendor can help determine whether certain files or folders should be excluded from antivirus or antimalware scan operations.
The following sections contain information about the files and folders that we recommend be excluded from scanning by antimalware programs. The information is categorized by the operating system role or by program name.
Both Forefront Endpoint Protection and System Center Endpoint Protection have preconfigured policy templates for the different server roles. For more information regarding these templates, see http://technet.microsoft.com/en-us/library/gg412475.aspx.
(http://support.microsoft.com/kb/815263/ )Antivirus, backup, and disk optimization programs that are compatible with the File Replication Service
(http://support.microsoft.com/kb/837932/ )Event ID 2108 and Event ID 1084 occur during inbound replication of Active Directory in Windows 2000 Server and in Windows Server 2003
(http://support.microsoft.com/kb/822158)Virus scanning recommendations for Enterprise computers that are running currently supported versions of Windows
For more information, go to the following Microsoft websites:
Managing Domain Controllers
Managing Antivirus Software on Active Directory Domain Controllers
Microsoft Exchange Server
(http://support.microsoft.com/kb/328841/ )Exchange and antivirus software
245822For more information, go to the following Microsoft website:
(http://support.microsoft.com/kb/245822/ )Recommendations for troubleshooting an Exchange Server computer with antivirus software installed
Forefront Endpoint ProtectionFor more information, go to the following Microsoft website:
Internet Information Server (IIS)
(http://support.microsoft.com/kb/817442/ )IIS 6.0: Antivirus scanning of IIS compression directory may result in 0-byte file
Microsoft Internet Security and Acceleration (ISA) ServerFor more information, go to the following Microsoft website:
Microsoft SharePoint Portal Server
(http://support.microsoft.com/kb/320111/ )Random errors may occur when antivirus software scans Microsoft Web Storage System in SharePoint Portal Server 2001 and in SharePoint Portal Server 2003
(http://support.microsoft.com/kb/322941/ )Microsoft's position on antivirus solutions for Microsoft SharePoint Portal Server
Microsoft SQL Server
(http://support.microsoft.com/kb/309422/ )Guidelines for choosing antivirus software to run on the computers that are running SQL Server
Microsoft Systems Management Server (SMS)
(http://support.microsoft.com/kb/327453/ )Antivirus programs may contribute to file backlogs in SMS 2.0 and in SMS 2003
Microsoft Virtual Server 2005 or Microsoft Virtual PC 2004
(http://support.microsoft.com/kb/840193/ )Virtual machines run very slowly in Virtual PC 2004 or in Virtual Server 2005
Windows operating systems
(http://support.microsoft.com/kb/822158/ )Virus scanning recommendations for Enterprise computers that are running currently supported versions of Windows
(http://support.microsoft.com/kb/900638/ )Multiple symptoms occur if an antivirus scan occurs while the Wsusscan.cab file or the Wsusscn2.cab file is copied
For more information about Forefront Client Security policy-based exclusions, go to the following Microsoft website:
Planning your policiesFor more information about how to use Forefront Client Security, see the Forefront Client Security product documentation. This documentation contains the following guides: