This article was previously published under Q235536
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The installation of the Offline Browsing Pack, a component of Internet Explorer 5, on a computer running Windows NT 4.0 replaces the Schedule service with the Task Scheduler service. This article explains the differences between the two services.
Prior to Task Scheduler, tasks needed to be configured using the AT command and the Schedule service.
By default, the Schedule service is installed with System credentials in the "logon as" section of the startup properties for the service. The "logon as" credentials needed to be changed to a valid domain/local account if the command required domain/user authentication to run.
The "logon as" field is not available for the Task Scheduler service. These credentials do not need to be configured for the Task Scheduler service because each individual task can be configured with unique credentials for the privileges required.
When the task is originally created, the user is prompted for the credentials required for this command. After the task has been created, the credentials can be changed in the "run as" field on the task properties.
NOTE: In order to use Task Scheduler, you must log on to the computer with a valid user account.
For more information about how to schedule tasks with Task Scheduler, click the article link below to view the following Microsoft Knowledge Base articles:
178706 How to Schedule a Program Using Task Scheduler
236773 Internet Explorer Replaces Atsvc.exe Tool with Mstask.exe Tool
Microsoft Windows 2000 Server, Microsoft Windows 2000 Advanced Server, Microsoft Windows 2000 Professional Edition, Microsoft Internet Explorer 5.0, Microsoft BackOffice Server 4.5, Microsoft BackOffice Small Business Server 4.5, Microsoft Windows NT Server 4.0 Standard Edition, Microsoft Windows NT Workstation 4.0 Developer Edition