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Which value is for the Account Policy in the registry ?

I'm using Windows NT 4.0 and I need to use API to modify the Account Policy of default option " No Account Lockout" to Account Lockout ".

My question is which registry value is releated to the Account Policy and how can I identify the data that represent the "No Account Lockout" AND" Account Lockout" option.

Ps
To go to Account Policy :
Go to Administrative Tool -> User Manger( On the menu bar select Policies followed by Account )

y96andha

Go to http://premium.microsoft.com/msdn/library/sdkdoc/f64_54c4.htm

and check out the structure USER_MODALS_INFO_3

talee

ASKER

Sorry, this is not what I want. What I want is to set the "No Account Lockout" option to "Account LockOut" and the " Lockout duration" is set to forever until administrator unlocks the account.The structure USER_MODALS_INFO_3 doesn't allow me to set the Lockout duration to what I want.So I need to know the value for the ACCOUNT POLICY in the registry.

ASKER CERTIFIED SOLUTION

y96andha

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talee

ASKER

Sorry, I still not very clear and can't get my program to run.Can you please be more specific and show me an example on how to use the structure.
Thank You.

y96andha

Here is an example. First the current values are read out, then the new values are set. This turned out to be lots of work for not many points.

USER_MODALS_INFO_3 *umi3;
DWORD status;
      status=NetUserModalsGet(L"\\\\ANDREAS",3,(LPBYTE*)&umi3);

      if(!status) {
            wprintf(L"%d %d %d\n",umi3->usrmod3_lockout_duration,
                  umi3->usrmod3_lockout_observation_window,
                  umi3->usrmod3_lockout_threshold);
            NetApiBufferFree((LPBYTE)umi3);
      } else
            wprintf(L"Error: %d",status);

      DWORD parmerr;
      DWORD status2;
      USER_MODALS_INFO_3 umi3b;
      umi3b.usrmod3_lockout_duration=TIMEQ_FOREVER;
      umi3b.usrmod3_lockout_observation_window=300;
      umi3b.usrmod3_lockout_threshold=5;
      status2=NetUserModalsSet(L"\\\\ANDREAS",3,(LPBYTE)&umi3b,&parmerr);
      if(status2)
            wprintf(L"Error: %d",status2);