Policy

Disable SMB compression

Windows 11 25H2

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Policy overview

Key metadata and intent for this policy.

ClassComputer
CategoryNetwork > Lanman Server
Supported onAt least Windows Server 2022, Windows 11

Supported OS tags: Windows11, WindowsServer2022

This policy controls whether the SMB server will disable (completely prevent) traffic compression. If you enable this policy setting, the SMB server will never compress data, irrespective of other policies (such as the 'Use SMB compression by default' policy or per-share property). If you disable or do not configure this policy setting, the SMB server may compress traffic (depending on a combination of other policies and conditions).

Internal name
Pol_DisableCompression
Policy ID
01ba76025a20
Elements
0

Registry values

How enabled and disabled states update the registry.

Registry locationTypeEnabled valueDisabled value
HKLM\Software\Policies\Microsoft\Windows\LanmanServer\DisableCompressionREG_DWORD
1
0

Policy elements

Inputs and configuration options exposed by this policy.

This policy has no additional user input fields.

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