Disable NetBIOS and NTLM on Windows 2003 Domain Controllers and Exchange 2003?

From: Research Services (key_at_lamar.n0-sp@m.colostate.edu.NO)
Date: 10/04/04 

Date: Mon, 4 Oct 2004 08:25:31 -0600

Is it possible to safely DISABLE NetBIOS and/or NTLMv1/LM on all Windows
2000 and Windows 2003 Domain Controllers and/or Exchange 2003 servers
(within our own child domain) without affecting Windows networking
communications adversely?
We are a child domain in a single forest, we are NOT Enterprise
Administrators. Our DCs and Exchange are currently configured to refuse and
not send LM.
All clients are Windows XP with NetBIOS already disabled and only talk
NTLMv2, there are no down-level clients (i.e., Win9x, NT4, Mac) in our child
domain.
We are not sure if this will affect AD replication, especially between other
child domains in the forest not controlled by us - OR if Exchange 2003
relies on NetBIOS and/or less than NTLMv2 to function correctly.

Thanks for any input or help.

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