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duron

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Posts posted by duron

    Increase the speed of win2000

    in Windows 2000/2003/NT4

    Posted · Edited by duron

    you have to download this for fast logon UPHClean from Here

    WHAT IS UPHCLEAN

    ================

    UPHClean is a service that once and for all gets rid of problems with user

    profile not unloading.

    You are having profile unload problems if you experience slow logoff (with

    Saving Settings for most of the time while logging off), roaming profiles

    that do not reconcile, or the registry size limit is reached.

    WHY DO PROFILES NOT UNLOAD?

    ===========================

    Many system and service processes do work on behalf of users. When the work

    is done the system or service process is responsible for releasing handles it

    has to the user profile hive. If this is not done by the service as the user

    logs off the profile cannot be unloaded.

    This problem in code can be caused by improper coding either in Microsoft

    software or 3rd party software (e.g. printer drivers, virus scanner service,

    etc). With the information provided by the system there is no way to find

    out what software needs to be corrected to allow profiles to unload.

    WHY SHOULD I USE UPHCLEAN?

    ==========================

    In the past these issues have been fixed by code changes to release the

    registry handle. The disadvantage of this approach is that in many cases

    multiple issues (different code paths) are causing the profiles to not

    unload. Unless all problem code paths are fixed profiles do not unload.

    The concept of UPHClean is to deal with these the same way the operating

    system deals with other resource issues: when a task is done resources

    (memory, handles, etc) are automatically reclaimed. UPHClean accomplishes

    this simply by monitoring for users to log off and verifying that unused

    resources are reclaimed. If they are not it reclaims the resource and logs

    its action. This approach is superior as it works for any known reason

    that profiles do not unload and also will keep working to address new

    unknown issues.

    Another advantage to UPHClean is that no computer restart is required to

    install it or remove it (except on Windows NT 4). You can install and

    remove UPHClean to find out whether it helps with a profile unload problem or

    not. You can do this without having to worry about what hotfix, service pack,

    feature pack, etc has been installed. Set it and forget is the goal of

    UPHClean.

    By default UPHClean takes action to allow profiles to unload. You can

    choose to have UPHClean only report what processes it finds preventing profiles

    from unloading. To do this, install UPHClean and use the registry editor to

    set:

    HKLM\System\CurrentControlSet\Services\UPHClean\Parameters\REPORT_ONLY to 1.

    You can also have UPHClean log the call stack that is responsible for the

    profile hive handle. This is necessary to find out what software is

    responsible for the hive handle in processes used for many purposes (e.g.

    svchost.exe, dllhost.exe, winmgmt.exe). To enable call stack logging use the

    registry editor to set:

    HKLM\System\CurrentControlSet\Services\UPHClean\Parameters\CALLSTACK_LOG to 1.

    Logging the call stack is computationally and memory intensive. You should use

    this option to collect information and then turn it off. To get more accurate

    call stack logging it may be necessary to get symbols installed on the

    computer. You can read about getting symbols at:

    http://www.microsoft.com/whdc/ddk/debugging/symbols.mspx

    Windows 2000:

    The application event log has error events with source Userenv, event id

    1000. When you call up the event you get the one of following events:

    Windows cannot unload your registry file. If you have a roaming profile,

    your settings are not replicated. Contact your administrator.

    DETAIL - Access is denied.

    - or -

    Windows cannot unload your registry class file. If you have a roaming

    profile, your settings are not replicated. Contact your administrator.

    DETAIL Access is denied.

    - or -

    Windows cannot log you on because the profile cannot be loaded. Contact

    your network administrator.

    This last error is relevant if you find one of the other ones earlier

    in the application log.

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