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Document information

Document ID:1500
Subject:Using Windows Task Scheduler blank password
Creation date:9/7/10 10:54 AM
Last modified on:9/7/10 2:40 PM


Using task scheduler with blank password

Syncrify uses Windows built-in Task Scheduler to run backup tasks. Every scheduled task runs under a user login account that requires a valid user with password on the operating system.

By default, Windows OS does not allow users to schedule task when a blank password is used to login into the system. This is done for security reasons and therefore, we strongly recommend you do not use a blank password if you want to run scheduled tasks.

Having said that, it is possible to configure the operating system to allow executing tasks with a blank password. The following steps demonstrate how to modify this setting. 
  • Logon to your computer as an Administrator or with a login ID having admin access
  • Go to Control Panel / Administrative Tools
  • Double click Local Security Policy



  • Then, open Security Settings / Local Policies / Security Options



  • Double click on Accounts: Limit local account use of blank passwords to console logon only
  • Click Disable and then click Apply and Ok.



  • Once this option is disabled, Windows operating system will allow running a scheduled task without a password.



User comments

Posted by Terri on 7/31/15 1:04 PM

I disabled the use of blank password as described above and changed the task to run in a couple of minutes one time only but when I go to 'run' it still asks for the password. Do I need to reboot for the new security setting to take affect?

Posted by Anonymous on 8/23/12 6:01 PM

Local Security Policy is not available in e.g. Windows 7 Home. Is there a registry setting one can edit to accomplish the same thing?

Posted by Rohit on 4/28/11 3:11 PM

Thanks..It works

Posted by charmics on 6/5/16 1:02 AM

Perfect! Thanks a ton.

Posted by lionround on 7/11/14 7:22 PM

Worked like a charm. Thanks a million. I wrote a batch file to reboot and wanted to run it every night. Task Scheduler would not work because it wanted me to log in after reboot.

Posted by vsg24 on 7/23/13 2:16 AM

Thanks. Worked on Windows 8.


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