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Thread: How to permit access to create Scheduled Tasks for non-Admin users

  1. #1
    shdowflare Guest

    How to permit access to create Scheduled Tasks for non-Admin users

    Hey all,

    We have a few application experts to which we've given user-level RDP access
    to some W2K3 servers. They want to be able to create scheduled tasks that
    will run under their account. By default, non-Admins can't see the Scheduled
    Tasks applet. "Access Denied" is what they see.

    I've seen some GPO config options regarding the Task Scheduler but I can't
    seem to find one that will allow regular system users to create/modify
    scheduled tasks. Can you guys help me out?

    Thanks in advance,
    B


  2. #2
    Robert L [MVP - Networking] Guest
    The simple solution is assigning the user to Backup Operators group of the local computer. Another option is use cacls command to modify tasks folder, which is located in c:\windows\tasks in most cases.

    So far this happen to the W2K3 server version. Hopefully microsoft got
    patches on it.

  3. #3
    Ralph Avery Guest

    Re: How to permit access to create Scheduled Tasks for non-Admin user

    Create a group (either server local, or domain global) Example : "RunTasks"
    Add any members you want to have the ability to run the task to the group.
    Note, creating a domain global group is easier to manage in the long run.
    If the non-administrator account is currently logged on, log off and back on
    to get the new security descriptor.

    Create a temporary folder at c:\ for example: "C:\TempTask"
    Run "Xcopy c:\windows\tasks c:\TempTask"
    Run "Cacls c:\Windows\Tasks > c:\TaskPerms.txt"
    Run "Cacls c:\TempTask /s > c:\Temp\OriginalPermString.Txt (Save this file,
    this has the original permissions in it in case you need to return)
    Default Perm string for c:\Windows\Tasks =
    "D:PAI(A;OICI;FA;;;BA)(A;;0x1200ab;;;BO)(A;OICIIO;FA;;;CO)(A;;0x1200ab;;;SO)(A;OICI;FA;;;SY)"
    Edit the permissions on folder c:\TempTask (Add the new group with "Change"
    permissions on the folder, subfolder, and files.
    Run "Cacls C:\TempTask /s > c:\Temp\NewPerms.txt" (The NewPerms.txt file
    will have your new permissions for the Tasks Folder)
    Copy the SDDL string from NewPerms.txt (This is everything in the Quotes ""
    section)
    Command as "cacls c:\windows\tasks /s:"the String from the NewPerms.txt
    file" (It may be easier to enter it in Notepad and then copy it as a whole
    string)
    Run that command to set the permissions on the c:\windows\tasks folder.

    Set the permissions on the "Task Scheduler" service


    Download Subinacl.exe from Microsoft
    (http://www.microsoft.com/downloads/d...DisplayLang=en)
    Create a command...
    SubInAcl /Service Schedule /Grant=RunTasks=F (Replace RunTasks with
    domain\username or Domain\Groupname or simply the group name if it's a server
    local group)


    Test the schtasks /Run /TN TaskName command

  4. #4
    Simone Guest

    Re: How to permit access to create Scheduled Tasks for non-Admin u


    If you add the user to the backup operators group you will give them pretty
    high level access to all the data on the server..

  5. #5
    Simone Guest

    Re: How to permit access to create Scheduled Tasks for non-Admin u

    Hi Ralph,

    I tried this on a 2003 R2 Sp2 Server and it granted full access to all
    users. Could I have missed a step? I tried it a few times to make sure, but
    it's possible I was missing something..

    I have users that are local power users, and want them to be able to modify,
    view, execute scheduled tasks - without giving them admin access.

    Any suggestions?

  6. #6
    Simone Guest

    Re: How to permit access to create Scheduled Tasks for non-Admin u

    Hi Ralph,

    I tried this on a Windows 2003 R2 Sp2 server and it granted full access to
    all users. Even when I remove users from the newly created group, they can
    still open scheduled tasks and modify them (where they used to get access is
    denied).

    I tried it a few time to make sure I didn't miss any steps. Do you have any
    other suggestions?

    Thanks
    Simone

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