Active Directory Login Attempt Failed

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I am running Active Directory in Windows Server 2000. But for some reason, I am receiving error stating that my Active Directory login attempt failed. I have two subnet works running. It both runs with internal and external switch. And both my Active Directory and Exchange server runs on DC.

I already install SharePoint Server Portal on other web server under the external subnet work. I switch the option for making a second external subnet in DNS GUI. But after doing that, the Active Directory suddenly stopped working. So I switch back to the default setting hoping that it can fix the issue but the error is still there.

I could not even connect to the domain and receiving error when attempting to. The error is: windows cannot to the new domain because the logon attempt failed. I could not locate the domain that I usually use. What can I do? Please help me.

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Best Answer by Thompson Locker
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Answered By 10 points N/A #121221

Active Directory Login Attempt Failed

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The may be a disjoint in the namespace that is causing problems, and therefore you will need to fix the problem with the namespace using the following steps:

  1. You will need to right-click on My Computer, and then click Properties.
  2. You will then navigate to the Properties dialog box, and there you will need to click the Computer Name tab.
  3. Next you will need to type "ipconfig /all" at the command prompt, and thereafter you will need to examine the DNS suffix to the right of "Connection-specific DNS Suffix."
  4. In case the DNS Suffix defined is different or you find that it is invalid from the Domain, you will need to do the following:

    1. You will click Start on your computer, and then click Run, and then you will type NCPA.CPL, and then press ENTER.
    2. You will then right-click in Local Area Connection, and then you will choose Properties.
    3. And then you will need to highlight "Internet Protocol (TCP/IP)" and then you will click Properties. After that click Advanced on the General tab.
    4. once you have done that you will need to click the DNS tab and then modify the suffix in the field to the right of "DNS suffix for this connection in DNS" so that it matches the DNS Suffix of the Domain.

-Thompson Locker

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Answered By 0 points N/A #121222

Active Directory Login Attempt Failed

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To resolve this issue, reset the Windows 2000 security configuration to the default values.

To do this, follow these steps:

1. Click Start, click Run, type cmd in the Open box, and then press ENTER. At the command prompt, type the following commands, pressing ENTER after each command.

2. Secedit /configure /cfg drive:winntrepairsecsetup.inf /db secsetup.sdb.

3. Secedit /configure /cfg drive:winntrepairsecdc.inf /db secdc.sdb.

4. Exit.

Where drive is your boot drive (generally drive C).

When you connect to the Active Directory server using LDAP Administrator 2000 expanding a first level node cases Operations. Error with message.

The operation being requested was not performed because the user has not been authenticated or Invalid. Credentials with. The logon attempt failed.

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