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How to determine if configuring VirusScan Enterprise exclusions or setting Low-Risk Processes will be effective
Technical Articles ID:   KB67648
Last Modified:  5/12/2016
Rated:


Environment

McAfee VirusScan Enterprise (VSE) 8.x

Summary

This document helps you determine whether configuring On-Access Scanner exclusions will address performance issues.

Solution

IMPORTANT: This solution is provided for testing purposes only. Ensure that you reverse the changes after you finish testing.

The On-Access Scanner (OAS) controls Buffer Overflow Protection, Access Protection, and ScriptScan. Stopping OAS from the VirusScan Console, or stopping the McShield service in services.msc, stops the OAS and other VSE features.

Use the steps below to configure the OAS so that no files are scanned but other VSE features are enabled. This demonstrates if exclusions or low risk processes prove to be effective or if other VSE components are involved.
  1. Click Start, Programs, McAfee, VirusScan Console.
  2. Double-click On-Access Scanner and select All Processes or Default Processes (as available).
  3. If necessary, select Configure one scanning policy for all processes.
  4. Click Scan Items.
  5. Under What to scan, select Specified file types only.
  6. Click Specified and Add.
  7. Type ZZZ and click Add.
  8. Click OK.
The On-Access Scanner will now scan only files of the type ZZZ.

If this test resolves your performance issues, see KB66909 for information on Exclusions and Low-Risk Processes. If you still experience performance issues, you should continue investigating other possible causes such as Access Protection, Script Scanning, or possible third-party software conflicts. 

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