Enable authentication rate limiter
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Policy overview

Key metadata and intent for this policy.

Computer
Category
Network > Lanman Server
Supported on
At least Windows Server 2025, Windows 11

Supported OS tags: Windows11, WindowsServer2025

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).

Internal name
Pol_EnableAuthRateLimiter
Policy ID
168cde0b0d7d
Elements
0

Registry values

How enabled and disabled states update the registry.

ScopeRegistry locationTypeEnabled valueDisabled valueCopy
Computer
Path
Software\Policies\Microsoft\Windows\LanmanServer
Value name
EnableAuthRateLimiter
REG_DWORD
HKLM
1
HKLM
0
Registry location
Type REG_DWORD · Computer
Path
Software\Policies\Microsoft\Windows\LanmanServer
Value name
EnableAuthRateLimiter
Hive
HKLM
Enabled value
1
Disabled value
0

Policy elements

Inputs and configuration options exposed by this policy.

This policy has no additional user input fields.