Question

Running login script that update the registry on Windows XP

Asked by: johnfaw

I am deploying Windows XP workstations on an AD 2000 domain. Our current method gives users elevated right to update the registry on the Windows 2000 Professional workstations.

I do not want to use this same method with XP.

The login script uses reg files and KIX scripts to update the registry and I would like to know the best way to have these scripts executed on XP service pack 3.

Many thanks in advance.

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Asked On
2009-02-04 at 08:44:58ID24112476
Tags

Windows XP

Topics

Data Manipulation

,

Windows XP Operating System

,

Microsoft Windows Operating Systems

,

Microsoft Operating Systems

Participating Experts
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Answers

 

by: arnoldPosted on 2009-02-05 at 07:34:56ID: 23560272

Depending on which registry keys you are trying to push, HKLM or HKCU, you might be able to push them through the GPO?

Why would a user need to change registry?  Alternatively, you can alter the permissions on a specific registry hierarchy to allow users to make alterations to this key only without affecting other keys.

Registry entries, I think are under the security computer settings\windows settings\security.  The security adjustment on the keys, are more involved.  You would likely need to have a startup script that will run with System credentials and would adjust the security permissions on the key.  Have not tried and have not looked on whether such a script is available.

 

by: johnfawPosted on 2009-02-05 at 07:43:35ID: 23560398

Arnold,

Thanks for you inpout. The users are not changing the registry. We have numerous locations which require different settings for applications. The login script parses a text file for the relevant location specific information and then updates the registry. Elevated user permissions were given in the Windows 2000 environment and we want to avoid that for Windows XP.

 

by: arnoldPosted on 2009-02-05 at 07:53:01ID: 23560531

Is the need to adjust the registry part of a specific application's requirement?

Here is a link to an EE question that deals with adjusting permissions on a registry key:
http://www.experts-exchange.com/Programming/Misc/Q_22143726.html

I.e. add a group to the key (startup script which runs with system level rights) and then when the user of that group logs in and your script tries to alter something within the key, it will work.

The startup will likely work for HKLM.  Is the registry alteration system wide or is it a per user change/rule?


 

by: johnfawPosted on 2009-02-05 at 08:08:40ID: 23560713

Yes. The registry changes are for specific applications that are dependent on the location of the user. The changes are need to configure access to BI, SQL servers and AS400's. Each office has a different SQL server to connect to and one of two AS400s.

 

by: johnb6767Posted on 2009-02-05 at 08:12:37ID: 23560770

Where are the keys located, what Hive?

 

by: johnfawPosted on 2009-02-05 at 08:29:40ID: 23560977

the main keys being updated are:
HKLM\software\microsoft\mssqlserver\client\connectto
HKLM\software\odbc\odbc.ini

 

by: toniurPosted on 2009-02-05 at 08:59:32ID: 23561334

HKLM hive can not be modified with logon script (unless user is a local admin). I'm not sure what your script does but did you consider an option to run script as startup script which is executed under SYSTEM credentials?

 

by: johnb6767Posted on 2009-02-05 at 11:23:07ID: 23563018

What about File DSN's?

Or Just use Startup Scripts......

Assign computer startup scripts
http://technet.microsoft.com/en-us/library/cc779329.aspx

 

by: arnoldPosted on 2009-02-05 at 13:02:17ID: 23564217

Permissions can be adjusted on any hierarchy including HKLM or a subset.
You have a location based differences, how about on a user basis?
How are your systems setup an OU based i.e. computer in location1 has a location1 OU?

 

by: johnfawPosted on 2009-02-05 at 14:02:00ID: 23564821

Thanks for all of the comments. All differences are by location and not user. Computers are not setup by location OU.

Users are group in OU according to job function. A text file is used to store the location specific variables. The login script then parses the text file and applies the values to the registry.

We like the use of the text file as it allows easy changes of the location variables.

As for the startup scripts, how are these different from the login script we are already using?

 

by: arnoldPosted on 2009-02-05 at 14:05:47ID: 23564858

Startup scripts are executed by the system upon startup and run with different rights than a login script which runs with the rights of the user loging in.
Transitioning from a login to a startup script may be sufficient.

 

by: johnb6767Posted on 2009-02-05 at 14:09:09ID: 23564885

They run under teh Local System Account, and have the rights you need to access thos ehives....and not run under limited users.....

 

by: johnfawPosted on 2009-02-05 at 14:51:22ID: 23565243

I will investigate and give it a try. Thanks for the assistance. I will let evyone know how it goes

 

by: johnfawPosted on 2009-02-09 at 06:23:03ID: 23590197

Can variables be passed to a system startup script?

 

by: arnoldPosted on 2009-02-09 at 06:39:11ID: 23590341

Could you be more specific.  What variables are you passing? Or are you talking about passing parameters to the start script?

 

by: johnfawPosted on 2009-02-09 at 06:49:05ID: 23590442

Each of our offices have location specific variables. We currently use a text file for these variables and the login script parses the text file to apply the values to the registry.

Hope this makes it clearer.

 

by: arnoldPosted on 2009-02-09 at 07:54:27ID: 23591124

The login script does the same thing, the difference between a login script and a startup script is when it is executed, how often it is executed and with whose credentials it runs.
The startup script will only run once at startup.
It will run with system credentials.

Organizing the AD into OUs that designate a location, is a simpler and cleaner approach. Since then you can set registry parameters through GPO.

What is the basis on which the location is determined?
Lets say you have site a and site b.  How is the login script that processes the text file that contains information about site a and site b differentiates and applies the variables from site a and not site b?

How does the script determine which location the system is in?
Reread your earlier post and you have OUs for users. The startup script will have difficulties because at the time of processing, there is no user.

You better off, adjusting the permissions on the:
HKLM\software\microsoft\mssqlserver\client\connectto
HKLM\software\odbc\odbc.ini

To allow domain user modification rights and remaining with the login script.


 

by: johnfawPosted on 2009-03-18 at 14:20:20ID: 31542789

Thanks for all the suggestions. I gave authenticated users access to the registry hives and they can now update the ODBC and mssqlserver portions of the registry.

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