Change system settings and their impact to DC environment

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by enforcing following settings on dc running dhcp , dns roles, impact ad operation? thanks.

- modify registries disable microsoft windows smb null session authentication:
hklm\system\currentcontrolset\control\lsa\restrictanonymous=1
hklm\system\currentcontrolset\services\lanmanserver\parameters\restrictnullsessaccess=1
hklm\system\currentcontrolset\services\lanmanserver\parameters\nullsessionpipes

- enable smb signing through group policy

- disable link-local multicast name resolution llmnr through group policy

hello, 

please go through below article, give more information security setting modifications.

http://support.microsoft.com/default.aspx?scid=kb;en-us;823659

another useful link:http://support.microsoft.com/kb/890161

regards, ravikumar p



Windows Server  >  Directory Services



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