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List of Lync Server 2010 processes and directories for AV exclusion.

List of Lync Server 2010 processes and directories for AV exclusion  

Problem Statement:
Sometime antivirus will catch Lync server process and quarantine them. If it happen then Lync server operation will get affected. You must ensure that the antivirus scanner does not interfere with the operation of Lync Server 2010, you must exclude specific processes and directories for each Lync Server 2010 server or server role on which you run an antivirus scanner.
As per Microsoft recommendation following list processes and directories should be excluded:
·         Lync Server 2010 processes:

o    ASMCUSvc.exe

o    AVMCUSvc.exe

o    DataMCUSvc.exe

o    DataProxy.exe

o    FileTransferAgent.exe

o    IMMCUSvc.exe

o    MasterReplicatorAgent.exe

o    MediaRelaySvc.exe

o    MediationServerSvc.exe

o    MeetingMCUSvc.exe

o    MRASSvc.exe

o    OcsAppServerHost.exe

o    QmsSvc.exe

o    ReplicaReplicatorAgent.exe

o    RTCArch.exe

o    RtcCdr.exe

o    RTCSrv.exe

·         IIS processes:

o    %systemroot%\system32\inetsrv\w3wp.exe

o    %systemroot%\SysWOW64\inetsrv\w3wp.exe

·         SQL Server processes:

o    %ProgramFiles%\Microsoft SQL Server\MSSQL10.MSSQLSERVER\MSSQL\Binn\SQLServr.exe

o    %ProgramFiles%\Microsoft SQL Server\MSRS10.MSSQLSERVER\Reporting Services\ReportServer\Bin\ReportingServicesService.exe

o    %ProgramFiles%\Microsoft SQL Server\MSAS10.MSSQLSERVER\OLAP\Bin\MSMDSrv.exe

·         Directories and files:

o    %systemroot%\System32\LogFiles

o    %systemroot%\SysWow64\LogFiles

o    %systemroot%\Windows\Assembly\GAC_MSIL

o    %programfiles%\Microsoft Lync Server 2010

o    %programfiles%\commonfiles\Microsoft Lync Server 2010

o    %SystemDrive%\RtcReplicaRoot

o    File share store (specified in Topology Builder). File stores are specified in Topology Builder.

o    SQL Server data and log files, including those for the back-end database, user store, archiving store, monitoring store, and application store. Database and log files can be specified in Topology Builder. For details about the data and log files for each database, including default names, see SQL Server Data and Log File Placement in the Deployment documentation. 

Thank you.


  1. Have used AVG anti virus for a number of years now, I recommend this Anti virus to all you.


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