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January 25th, 2004, 06:35 AM
#1
Junior Member
XP LMCompatibilityLevel - Setting?
Hi again everyone...
I was wondering if you guys wouldn't mind suggesting which LMCompatibilityLevel registry setting is best for me? I'm using XP Home 5.1.2600, dial-up internet, and I am not connected to a network.
It's found in:
Hive: HKEY_LOCAL_MACHINE
Key: System\CurrentControlSet\Control\LSA
Value: LMCompatibilityLevel
Value Type: REG_DWORD - Number
Valid Range: 0-5
Default: 0
And the possible settings are:
0 - Send LM response and NTLM response; never use NTLMv2 session security
1 - Use NTLMv2 session security if negotiated
2 - Send NTLM authentication only
3 - Send NTLMv2 authentication only
4 - DC refuses LM authentication
5 - DC refuses LM and NTLM authentication (accepts only NTLMv2)
I'm thinking maybe setting #3 is the best? Since it's more "secure"? Or should I just leave the setting at the default value of 0?
Thanks again!
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January 25th, 2004, 06:41 AM
#2
NTLMv2 is best. I don't know what good it would do for you, however, as it really only makes a difference it you have a network and your computer authenticates to a Windows NT/2000/2003 Domain. As XP Home cannot be used in a Domain, changing the setting won't do much for you.
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