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The business hours are configured in Software Center on client computers. By default Business Hours are from 05:00 AM until 10 PM Monday through Friday.

Business Hours - Business Hours are the period of time when normally the end user has daily works to do, in other words when the user don’t want to be disturbed by maintenance works.

The deadline was at 05:00 PM Thursday but since next available Maintenance Window is available at 01:00 AM the deployment gets deferred at 01:00 Am Saturday. Our maintenance windows is Saturday morning at 02:00 AM so no Maintenance Window available at deployment deadline! So, the system automatically defers the deployment and schedules it to run at the next available Maintenance Window. We have a deployment with a deadline at 05:00 PM Thursday.

In our case we will define a Maintenance Window Saturday in the morning 01:00 AM until 05:00 AM (4 hours) recurring in every week. You can define Maintenance Windows in any device collection properties. Usually Software Deployments, Software Updates Deployments, OS deployments will only run during a maintenance window when one is defined.

Maintenance windows – A maintenance window is a period of time reserved to perform software deployment tasks.

O A maintenance window was scheduled for the machine ad the deadline was reached before the maintenance window was available O The computer was not powered on at the time the deadline was reached The system is designed to provide guarantees that you can rely on software being installed at the deadline. User can’t delay (postpone) software to install after the deadline.

Deadline – Is the time that a deployment installation will be enforced.

Business hours and Maintenance windows concepts explained in SCCM with examples.

Sccm software center uninstall greyed out