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<a href="http://support.microsoft.com/kb/555092" rel="ugc nofollow">http://support.microsoft.com/kb/555092</a><br />
<a href="http://www.pcreview.co.uk/forums/turn-off-ntlm-authentication-t2361494.html" rel="ugc">http://www.pcreview.co.uk/forums/turn-off-ntlm-authentication-t2361494.html</a><br />
<a href="http://virt-manager.org/page/RemoteKerberos#Pros.2FCons__of_Kerberos" rel="ugc">http://virt-manager.org/page/RemoteKerberos#Pros.2FCons__of_Kerberos</a>
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http://support.microsoft.com/kb/555092 [http://support.microsoft.com/kb/555092]
http://www.pcreview.co.uk/forums/turn-off-ntlm-authentication-t2361494.html [http://www.pcreview.co.uk/forums/turn-off-ntlm-authentication-t2361494.html]
http://virt-manager.org/page/RemoteKerberos#Pros.2FCons__of_Kerberos [http://virt-manager.org/page/RemoteKerberos#Pros.2FCons__of_Kerberos]

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I have the following queries regarding the authentication mechanism supported by the Active Directory.<br />

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Is it possible to only have the kerberos authentication in the Active Directory? If yes, How can we disable the NTLM, Digest mechanism, etc in the Active Directroy?
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What challenges would be faced, if only kerberos is enabled?
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I have the following queries regarding the authentication mechanism supported by the Active Directory.
Is it possible to only have the kerberos authentication in the Active Directory? If yes, How can we disable the NTLM, Digest mechanism, etc in the Active Directroy?
What challenges would be faced, if only kerberos is enabled?

Active Directory Authentication Mechanisms

The Microsoft Server topic includes all of the legacy versions of the operating system, including the Windows NT 3.1, NT 3.5, NT 4.0 and Windows 2000 and Windows Home Server versions.

Microsoft Server OS

The Microsoft Legacy Operating System topic includes legacy versions of Microsoft operating systems prior to Windows 2000: All versions of MS-DOS and other versions developed for specific manufacturers and Windows 3/3.1, Windows 95 and Windows 98, plus any other Windows-related versions, and Windows Mobile.