How to use local security settings to force NTLM2 / NTLMv2 on Microsoft Windows platform?

To use the local security settings to force Windows Server 2008, Windows Server 2003, Windows 7, Windows Vista, Windows XP and 2000 to use NTLMv2:

1. Open the Local Security Policy console, using one of the following methods: 
   

   The Local Security Policy console will appear.

   • From the Control Panel, through Administrative Tools:
     1. From the Start menu, select Control Panel (Windows XP default view) or Settings and then Control Panel (Windows 2000 or 2003, or Windows XP Classic View).
     2. Double-click Administrative Tools, and then Local Security Policy.
   • Through the Run dialog box:
     1. From the Start menu, select Run... .
     2. In the Open...  field, enter: secpol.msc
     3. Click OK.
2. Find "Network Security: LAN Manager authentication level", which is located in Security Settings, Local Policies, Security Options. 
    
3. Set the LAN Manager authentication level to 
   
    NTLMv2 response only/refuse LM and NTLM.

Note: Windows 7 and Vista default to using NTLMv2 authentication.

To configure domain default NTLM policies of servers joining Windows domain, on Windows Server 2008 or Server 2003:

1. Open 'Domain Security Policy' in Administrative Tools of Control Panel
2. Find "Network Security: LAN Manager authentication level", which is located in Security Settings, Local Policies, Security Options.
3. Set the LAN Manager authentication level to 
   
    NTLMv2 response only/refuse LM and NTLM.

More more details, please refer to http://technet.microsoft.com/en-us/library/cc738867(v=ws.10).aspx