Enable authentication rate limiter
- Policy ID
- Pol_EnableAuthRateLimiter
- Scope
- Computer Configuration
- Supported on
- At least Windows Server 2025, Windows 11
- 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 enable or disable the authentication rate limiter.
If you disable this policy setting, the authentication rate limiter will not be enabled.
If you do not configure this policy setting, the authentication rate limiter may still be working depending on the delay settings (the recommended delay value is 2000ms).
Registry
ComputerHKEY_LOCAL_MACHINE
- EnableAuthRateLimiterREG_DWORD