Can't loging to Vista Business "logon service not available"

Posted on 2009-02-20
Last Modified: 2012-05-06
Hi experts,

There is a lap top and it's cannot logged "logon service not available" .. local admin account also not working .. how do I resolve this issue ?

Thanks a lot !
Question by:Shakthi777
    LVL 8

    Expert Comment

    Is logon service not available the exact error? What brand is the laptop? Maybe some credential software of the manufacturer is bugging you. Can you login with the administrator acount in safe mode?

    Author Comment

    i'll keep u posted..
    LVL 59

    Accepted Solution

    Have you tried inserting your Vista installation DVD and running Startup Repair, as detailed on this page:
    How to automatically repair Windows Vista using Startup Repair

    What is Startup Repair?  This Microsoft page has a great deal more information about that:
    Windows Help and How-To:  Startup Repair: frequently asked questions

    Startup Repair is designed to detect operating system startup problems and troubleshoot any found and correct them with little user interaction.  It can repair problems such as:

    - missing or corrupt drivers
    - missing or corrupt system files
    - missing or corrupt boot configuration settings
    - corrupt registry settings
    - corrupt disk metadata (master boot record, partition table, or boot sector.)

    When the Startup Repair Tool has taken control, it analyzes startup log files for clues about the source of the problem and launches diagnostic tests to determine the cause. If it determines the cause of the failure, it attempts to fix the problem automatically. After successfully repairing the problem, it will reboot the system, and notify the user of the repairs, filing a detailed report in the Windows Vista event log.

    If the Startup Repair Tool can identify the cause of the problem, but can't repair the problem by itself, it will provide access to a set of tools that you can use to manually troubleshoot the problem further.  One of these is the Bootrec tool described below.

    If the Startup Repair Tool cannot identify or repair the problem, it will roll back the system to the last configuration that was known to work (Last Known Good Configuration.) Again it will add detailed information about the problem to the Windows Vista event log.
    LVL 59

    Expert Comment

    Shakthi777, any feedback?

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