Disable SMB windows server 2003 / 2000 / 98 / NT

By nag -
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Disable SMB windows server 2003 / 2000 / 98 / NT


Registry values associated with Group Policy configuration for Windows Server 2003, Windows XP, and Windows 2000 Client

In Windows Server 2003 and Windows XP, the "Microsoft network client: Digitally sign communications (if server agrees)" Group Policy, and in Windows 2000, the "Digitally sign client communication (when possible)" Group Policy map to the following registry subkey:

HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\LanManWorkstation\Parameters
Value Name: EnableSecuritySignature
Data Type: REG_DWORD
Data: 0 (disable), 1 (enable)

Note The default value in Windows Server 2003, Windows XP, and Windows 2000 is 1 (enabled).

In Windows Server 2003 and Windows XP, the "Microsoft network client: Digitally sign communications (always)" Group Policy, and in Windows 2000, the "Digitally sign client communication (always)" Group Policy map to the following registry subkey:

HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\LanManWorkstation\Parameters

Value Name: RequireSecuritySignature
Data Type: REG_DWORD
Data: 0 (disable), 1 (enable)

Note: The default value in Windows Server 2003, Windows XP, and Windows 2000 is 0 (not required).


Server

In Windows Server 2003 and Windows XP, the Group Policy named "Microsoft network client: Digitally sign communications (if client agrees)", and in Windows 2000, the Group Policy named "Digitally sign server communication (when possible)" map to the following registry key:

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\LanManServer\Parameters

Value Name: EnableSecuritySignature
Data Type: REG_DWORD
Data: 0 (disable), 1 (enable)

Note:
The default value in Windows Server 2003 domain controllers and Windows 2000 domain controllers is 1 (enabled). The default value in Windows NT 4.0 domain controllers is 0 (disabled).

Windows Server 2003 and Windows XP policy is named "Microsoft network server: Digitally sign communications (always)"

Windows 2000 policy is named "Digitally sign server communication (always)" and both map to the following registry key:
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\LanManServer\Parameters

Value Name: RequireSecuritySignature
Data Type: REG_DWORD
Data: 0 (disable), 1 (enable)

Note The default value in Windows Server 2003 domain controllers and Windows 2000 domain controllers is 1 (required). The default value in Windows NT 4.0 domain controllers is 0 (not required).



Follow this link: http://support.microsoft.com/kb/887429



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