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Microsoft.Policies.LanmanServer• Machine

Set authentication rate limiter delay (milliseconds)

This policy controls whether the SMB server will use a default value in milliseconds for the invalid authentication delay. If you configure this policy setting, the authentication rate limiter will use the specified value for delaying invalid authentication attempts. If you do not configure this policy setting, the authentication rate limiter will use the default value or the value from local registry under HKLM\SYSTEM\CurrentControlSet\Services\LanmanServer\Parameters.

Policy Details

Policy Name
Pol_AuthRateLimiterDelayInMs
Registry Key
Software\Policies\Microsoft\Windows\LanmanServer
Supported On
SUPPORTED_Windows_Server_2025_Windows_11_0_24H2
Available Languages
en-us

Configuration Elements

Value (milliseconds):

Type: decimal

Default: 0

Min: 0
Max: 10000