Turn on protocol recognition
This policy setting allows you to configure protocol recognition for network protection against exploits of known vulnerabilities. If you enable or do not configure this setting, protocol recognition will be enabled. If you disable this setting, protocol recognition will be disabled.
Use Group Policy to configure protocol recognition
On your Group Policy management endpoint, open the Group Policy Management Console.
Go to Computer Configuration > Administrative Templates > Windows Components > Microsoft Defender Antivirus > Network Inspection System.
Select protocol recognition. By default, this policy is enabled. If set Not configured, definition retirement is enabled.
To edit the policy, select the edit policy setting link.
Select Enabled, and then select OK.
Deploy your updated Group Policy Object. See Group Policy Management Console.
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