What is the Microsoft Network Inspection (NisSrv) service?

An explanation of the Microsoft Network Inspection (NisSrv) service in Windows 7.

What does the Microsoft Network Inspection (NisSrv) service do?

The Microsoft Network Inspection (NisSrv) is part of Microsoft Security Essentials antivirus software and adds intrusion detection capabilities to Windows’ firewall.

Microsoft Network Inspection (NisSrv) service details

  • Service name: NisSrv
  • Description: Helps guard against intrusion attempts targeting known and newly discovered vulnerabilities in network protocols
  • Path to executable: "c:\Program Files\Microsoft Security Client\Antimalware\NisSrv.exe"
  • Startup type: Automatic

Does my computer need the Microsoft Network Inspection (NisSrv) service?

Your computer doesn’t need the NisSrv service to run.

Should I disable the Microsoft Network Inspection (NisSrv) service?

First off, I have to say that it’s best to leave service optimization up to Microsoft. With that said; I would leave the NisSrv service alone. If it’s disabled you’ll lose some of Microsoft Security Essential’s protection.

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