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Ntrtscan.exe process causes high disk I/O in OfficeScan (OSCE)

    • Updated:
    • 17 Oct 2016
    • Product/Version:
    • OfficeScan 10.6
    • OfficeScan 10.6
    • OfficeScan 11.0
    • OfficeScan 11.0
    • OfficeScan XG.All
    • Platform:
    • Windows 2003 Enterprise
    • Windows 2003 Enterprise 64-bit
    • Windows 2003 Standard
    • Windows 2003 Standard 64-bit
    • Windows 2008 Enterprise
    • Windows 7 32-bit
    • Windows 7 64-bit
    • Windows Vista 32-bit
    • Windows Vista 64-bit
    • Windows XP Professional
    • Windows XP Professional 64-bit
Summary

The ntrtscan.exe process causes high disk I/O on the OfficeScan client/agent even if the RealTime Scan feature is disabled.

ntrtscan.exe causes high i/o

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Details
Public

This issue is encountered on computers installed with applications that have large files like SQL and VMWare. The workaround solution is to disable the digital signature cache on the affected machine.

  1. Open the OfficeScan server's web console.
    • On OSCE 11.0/XG, click Agents > Agent Management.
    • On OSCE 10.6, click Networked Computers > Client Management.
  2. Click Privileges and Other Settings for the affected machine/group.
  3. Go to the Other Settings tab.
  4. Under the Cache Settings for Scan, untick the "Enable the digital signature cache" checkbox.
  5. Click Save and wait until the changes are applied.
Premium
Internal
Rating:
Category:
Configure; Troubleshoot
Solution Id:
1060249
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