SMB signing requirements
Microsoft's edit ·
Microsoft's commit message in MicrosoftDocs/windowsserverdocs · commit b4b4694 · +1 −0 lines · also on GitHub
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Registry value: **RequireSecuritySignature**
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Data Type: `REG_DWORD`
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Data: 0 (disable), 1 (enable)
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- **Microsoft network server: Digitally sign communications (always)**
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Registry key: `HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\LanManServer\Parameters`
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Registry value: **RequireSecuritySignature**
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Microsoft's Markdown source from MicrosoftDocs/windowsserverdocs, © Microsoft Corporation, under CC BY 4.0. Changed lines with up to 3 unchanged lines around each; ChangeIntel kept this copy 10 Oct 09:45 UTC. The commit date is when the source changed, which can be hours or days before Learn published it.