Windows Defender Security settings can be configured on the computers that have the Windows File Archiver agent installed. It allows for scanning of processes that are running on the servers. By default these processes are scanned in real-time for known viruses as and when the files are being processed for archiving. The "Scanning Phase" of archiving keeps triggering the scanning process of the antivirus, which is very resource intensive.
However, Windows Defender security can be configured to avoid scanning the archived files.
Procedure
Follow the steps given below to configure the security system to avoid scanning the archived files:
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Log on to the computer where you installed the Windows File System Agent and the Windows Defender Antivirus software.
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Go to Start > Settings.
The Settings dialog box appears.
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Form the left navigation pane, click Windows Defender.
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In the Exclusions section, click Add an Exclusion, and then from the dropdown list, select Process.
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Enter the following process that must be excluded from file scan operations:
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CLBackup.exe
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ClMgrs.exe
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CLRestore.exe
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cvd.exe
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GXHSMStub.exe
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GXHSMservice.ex
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IFind.exe
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In the Exclusions section, click Add an Exclusion, and then from the dropdown list, select Folder.
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When you back up data on a computer with Windows Defender antivirus installed, the stubs are recalled automatically during the antivirus scan operation. To prevent the stubs from being recalled, add the Commvault installation folder to the list of exclusions:
C:\Program Files\Commvault\ContentStore\Base\*