In other workstation, even if it is same database, but i believe, the duct piece's length has been restricted by some value and locked.

Try following steps

go to duct piece icon and right click >> go to Edit .. then the .itm link show beside

Now, check if there is any specific value mentioned and locked

If so, unlock it and enable Auto from drop down.

Now, click ok.

Now, check if you got your desire result.

Thanks,

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