Lync AntiVirus recommendations

To prevent Antivirus scanners from interfering with the operation of Lync its recommended that certain Lync processes and directories are excluded from the scan locations. This is recommended for each Lync Server role.

Lync Server 2010 Processes to exclude from antivirus scanning are:
  • ASMCUSvc.exe
  • AVMCUSvc.exe
  • DataMCUSvc.exe
  • DataProxy.exe
  • FileTransferAgent.exe
  • IMMCUSvc.exe
  • MasterReplicatorAgent.exe
  • MediaRelaySvc.exe
  • MediationServerSvc.exe
  • MeetingMCUSvc.exe
  • MRASSvc.exe
  • OcsAppServerHost.exe
  • QmsSvc.exe
  • ReplicaReplicatorAgent.exe
  • RTCArch.exe
  • RtcCdr.exe
  • RTCSrv.exe
IIS processes to exclude from antivirus scanning are:
  • %systemroot%\system32\inetsrv\w3wp.exe
  • %systemroot%\SysWOW64\inetsrv\w3wp.exe

SQL Server processes to exclude from antivirus scanning are:

  • %ProgramFiles%\Microsoft SQL Server\MSSQL10.MSSQLSERVER\MSSQL\Binn\SQLServr.exe
  • %ProgramFiles%\Microsoft SQL Server\MSRS10.MSSQLSERVER\Reporting Services\ReportServer\Bin\ReportingServicesService.exe
  • %ProgramFiles%\Microsoft SQL Server\MSAS10.MSSQLSERVER\OLAP\Bin\MSMDSrv.exe

Directories and files to exclude from antivirus scanning are:

  • %systemroot%\System32\LogFiles
  • %systemroot%\SysWow64\LogFiles
  • %systemroot%\Windows\Assembly\GAC_MSIL
  • %programfiles%\Microsoft Lync Server 2010
  • %programfiles%\commonfiles\Microsoft Lync Server 2010
  • %SystemDrive%\RtcReplicaRoot
  • Lync File share store
  • SQL Server data and log files, including those for the back-end database, user store, archiving store, monitoring store, and application store.  

As per microsoft reference here


About Paul B

My name is Paul Bloem and I am employed at Lexel Systems in New Zealand as a Principal Consultant for Unified Communications. I have been working on enterprise voice solutions for over 20 years. My first 10 years were spent working for a Telco in South Africa (Telcom SA). This is where all the groundwork happened as I was exposed to just about every aspect of telecommunication you could imagine. I develop an interest in PBX technologies and eventually became the go-to guy. Next, I had a 10 year run at Siemens South Africa, most of my time there was as a Technical Trainer. During this time VoIP hit the world stage, I had the privilege of introducing VoIP both as H.323 and later SIP across the Siemens HiPath 4000 solution stack. In 2008 I immigrated to New Zealand with my newly attained MCSE, I was ready to go where no PBX Techie had gone before. I was employed to explore OCS 2007 and that was pretty much the beginning of the end for me. I have been working on OCS and Lync ever since. My current role focuses exclusively on Lync and associated technologies.. That includes pre-sales, consulting, architecture and design, training and support. I even get to play in the development space from time to time - focus on play ;-) I was nominated as a Microsoft VTSP for Lync early in 2013 and also awarded Microsoft's MVP award for Lync in 2014.
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