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Work Order Planning (Gant): Earliest Start and Latest Finish

  • November 10, 2025
  • 1 reply
  • 6 views

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Hello,

In Work Order Planning (Gant) form there is identification line for Work Order “Earliest Start” and “Latest Finish”: the green line:

I can move the “Latest Finish” manually:

But “Latest Start” is not possible to move manually. Why?

Thank you beforehand for any explanation:)

1 reply

Supun Ekanayake
Sidekick (Employee)
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  • Sidekick (Employee)
  • 28 replies
  • November 11, 2025

Hi ​@Lina Menciene ,

Please check the below on why “Earliest Start” Might Not Be Movable,

  • If the activity has actual start dates, the system locks the early start to match the actuals.
  • If the activity is part of a dependency chain, its earliest start is determined by the finish of its predecessor.
  • Scheduling direction (forward or backward) and constraint types also influence whether the early start can be adjusted manually.

Best regards,

Supun Ekanayake.