Talking to Windows 2003 AD
Iain.Grant at scri.ac.uk
Wed Mar 17 14:55:35 CET 2010
Firstly I am new to FreeRadius and am configuring my first radius server
to talk to our Windows 2003 AD.
I have intalled and configured FreeRadius 2.1.8 to talk to the AD as
documented in various tutorials on the internet.
Initially I had configured the connection between the Freeradius server
and our Windows 2003 Active directory using ntlm_auth.
Using the command line
ntlm_auth --request-nt-key --domain=<your domain> --username=
comes back with
NT_STATUS_OK : Success (0x0)
Which is what i would expect as a valid username and password.
Now when I go to the next step and enable this in
ntlm_auth = "/usr/bin/ntlm_auth --request-nt-key
Our active directory server does comes back with an error. When I look
at the server log on our AD it shows
Event Type: Failure Audit
Event Source: Security
Event Category: Account Logon
Event ID: 680
User: NT AUTHORITY\SYSTEM
Logon attempt by: MICROSOFT_AUTHENTICATION_PACKAGE_V1_0
Logon account: =<radius_user>
Source Workstation: \\<radius_server>
Error Code: 0xC0000064
When I google the windows error code I get
Error code: 0xC0000064 - This error code can occur if a server is
configured to Require NTLMv2 Session Security and the client either is
configured to not use it or is unable to negotiate it (e.g., Altiris DOS
network boot stuff).
I know our server is configured for NTLMv2 and not V1.
Any ideas on how I can resolve this issue ?
I cannot understand why running the command works and using the line in
MSCHAP fails ?
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