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What does the fixed interval option do?

The fixed interval option can be selected when you create a:

  • maintenance task.
  • safety drill.

The following table clarifies what this option does.

A task or a drill has an interval of one month.


No fixed interval Fixed interval
Expiration date 1 January 1 January
Date of first execution 3 January 3 January
Next expiration date 3 February 1 February
Date of second execution 6 February 6 February
Next expiration date 6 March 1 March

With a fixed interval, the next expiration date is always calculated from the first expiration date.