Set authentication rate limiter delay (milliseconds)
- Policy ID
- Pol_AuthRateLimiterDelayInMs
- Scope
- Computer Configuration
- Supported on
- -
- Source
- Administrative Templates (.admx) for Windows 11 2026 Update (26H2) (version 1.0)
- Category
- Network › Lanman Server
Description
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.
Options
Registry
ComputerHKEY_LOCAL_MACHINE
- InvalidAuthenticationDelayTimeInMsREG_DWORD