Policy

Block NTLM Server Exception List

This policy setting determines if NTLM can be used to access specified servers. If you enable this policy setting (valid only if NTLM (LM, NTLM, NTLMv2) is blocked), NTLM can be used to access servers specified. Please enter the desired servers (DNS name, IP address or NetBIOS name) in the edit box, one server name per line. If you disable or do not configure this policy setting, the NTLM access to servers will be determined by other settings.

Policy
PackMicrosoft Windows
CategoryNetwork / Lanman Workstation
Policy IDb869f7d12bda
Internal namePol_BlockNTLMServerExceptionList

Registry

Copy registry mappings

HKLM\Software\Policies\Microsoft\Windows\LanmanWorkstation\BlockNTLMServerExceptionList

Policy notes

This policy setting determines if NTLM can be used to access specified servers. If you enable this policy setting (valid only if NTLM (LM, NTLM, NTLMv2) is blocked), NTLM can be used to access servers specified. Please enter the desired servers (DNS name, IP address or NetBIOS name) in the edit box, one server name per line. If you disable or do not configure this policy setting, the NTLM access to servers will be determined by other settings.

Related policies

Alternative Port MappingsAudit insecure guest logonAudit server does not support encryptionAudit server does not support signingBlock NTLM (LM, NTLM, NTLMv2)Cipher suite orderDisable SMB compression