windows server scheduled tasks

We are using Windows 2003 server R2 .

the problem is that we can not create a scheduled tasks on all servers, we update the servers and install patches, but still no luck.
can any help me here?

thanks in advancc
hussainhaAsked:
Who is Participating?
 
NikConnect With a Mentor Systems SpecialistCommented:
Have you seen this?

Solved this mystery.  We had a conficker infection at the beginning of the year and had created a GPO that modified the permissions on the %systemroot%\tasks folder.  I didn't catch it because I had disabled the GPO, but the permissions were already written by the GPO.  Thanks for all who assisted with question.
http://www.experts-exchange.com/OS/Microsoft_Operating_Systems/Server/2003_Server/Q_24242299.html
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NikSystems SpecialistCommented:
You can't create scheduled tasks on several servers?
Any error messages?
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hussainhaAuthor Commented:
No i am trying to create a scheduled task on one of them at a time. but i get the following message
"
The new task could not be created.
The specific error is:
0x80070005: Access is denied.
Try using the Task page Browse button to locate the application
"
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NikSystems SpecialistCommented:
Remember that if it involves network resources, make sure the user account has permissions to the network resources.

Can you specify which task do you need to run and do you get access denied when you create a scheduled task to run a notepad for instance..
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hussainhaAuthor Commented:
No i am using local resources and i am using Administrative account but still nothing even when i try scheduling notepad!!!!
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NikSystems SpecialistCommented:
Can you create a new account and add it to administrators groupa and try again? I suspect that something might be wrong with your account.
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hussainhaAuthor Commented:
NO LUCK again!!!
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NikSystems SpecialistCommented:
How much of free disk space have you got now on System Root drive?
Also check this article:
http://support.microsoft.com/kb/867466/en-us
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Henrik JohanssonSystems engineerCommented:
Check the user rights assignment ofr accessing the computer from the network. Use rsop.msc to see where the policy is applied from.
http://blogs.chron.com/helpline/archives/2005/12/denied_access_t.html

A hotfix that may be neaded.
http://support.microsoft.com/kb/904423
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hussainhaAuthor Commented:
NOP,

I did everything mentioned in sites you gave me, but still no luck.

This happens on all network devices.
For XP devices we applied the patch "henjoh09" but still the same thing the issue persist.

for windows servers also the same thing while there is a lot of space on the hard disks of the server.
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NikSystems SpecialistCommented:
Check and try with this mate.

A member of the Administrators group can use the Cacls.exe utility to modify the discretionary access control List (DACL) of the Tasks folder and grant a member of any group permission to create or to modify scheduled tasks. If a member of the Administrators group uses the Cacls.exe utility to modify the DACL of the Tasks folder, a user may be able to use the schtasks command to create a scheduled task to run in the security context of a user account that has more user rights, including administrative rights. However, if the user creates a second scheduled task to run under the same user account that has more rights, the user receives a message that is similar to the following, where taskname is the name of the task:
WARNING: The scheduled task taskname has been created, but may not run because the account information could not be set.
The scheduled task is created, but the user name and password account information are not configured for the task.

For more information about how to use the Cacls.exe utility to modify a DACL, visit the following Microsoft Web site:
http://technet2.microsoft.com/WindowsServer/f/?en/library/3be8b68f-f83c-409b-8b97-f026f75e17ca1033.mspx
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hussainhaAuthor Commented:
Ok nimatejic, Now i can create a task, but i can't edit or reset the task account information.

How can i solve this?
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NikSystems SpecialistCommented:
When you try to do this, you still get access denied error?
Is this happening for any new task created?
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hussainhaAuthor Commented:
Yes, Although i can create a new task but i can not run it or set the account information.
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hussainhaAuthor Commented:
I read this, i think we also was infected by conflicker but the network is clean now "hopefully"

So, how can resolve the issue with scheduled tasks after cleaning the device?
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hussainhaAuthor Commented:
OOOOOOOOOOOOOOOOOOh Yah

i solved it by using Cacls.exe and grant access to Tasks folder for everyone
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NikSystems SpecialistCommented:
I just wanted to ask you for the screenshot of %windir%\tasks folder NTFS permissions :)
But, please be 100% positive that you've completely removed conficker as this might give the virus permissions to create scheduled tasks.
http://kbalertz.com/962007/Virus-alert-about.aspx
http://www.scribd.com/doc/13961248/Combating-w32-Conficker-Worm
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