WinXP workstation - Domain Admin accts no longer can logon

Discussion in 'Windows Server' started by Jim Walsh, Apr 21, 2005.

  1. Jim Walsh

    Jim Walsh Guest

    I have a WinXP workstation in a WinNT 4.0 domain.

    Earlier today I was logging onto this workstation using one of my domain
    admin accounts without a problem.

    Later, when I attempted to logon again with that account I got an error
    message saying "The system cannot log you on now becasue the domain
    <MyDomain> is not available."

    I tried with a 2nd Domain Admin account and got the same result. I was able
    to logon with several other domain user accounts without a problem.

    I tried a third Domain Admin account and I was able to log on with that

    When I went to the Local User and Groups control panel on that XP
    workstation, I noticed that the accounts that had successfully logged on
    were also listed explicitly in the local Administrators group as
    <MyDomain>\<acctname>. The 2 Domain Admin accts that failed to logon were
    not listed there. As far as I know they shouldn't have to be there.

    But, I decided that I would explicitly add them. When I did, I observed a
    couple of strange things.
    (1) In the Administrators Properties window I clicked on the Add button to
    get the "Select Users or Groups" window. In about half of the times I tried
    this, the "From this location" textbox had the name of the local computer in
    it instead of the domain name. The other half of the time it had the domain
    name in it.

    (2)In a situation where the "From this location" textbox did have the domain
    name in it, I typed in the domain account I wanted to add and clicked Check
    Names. I did this for each of the two Domain Admin member accts I wanted to
    add. They appeared to verify correctly, so I clicked OK. However, when I
    returned to the Administrator properties window, the two account names were
    not there instead there were 5 SIDs with a small face with a question mark
    icon on it. Doing some research, I could find that one of the 5 SIDs
    belonged to a domain user account on the local computer. The other 2 SIDs
    were the SIDs on the PDC for the two Domain Admin members that I was having
    trouble with. (I hope this is clear enough).

    I was able to reproduce the logon problem of these two accounts on another
    computer near the first computer. However, the problem does not reproduce
    itself on another computer on the other side of the room.

    Thanks in advance for your help.
    Jim Walsh, Apr 21, 2005
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