Date/Time attributes being saved as 30-Dec-1899 00:00 when running Update Process on a process with tasks that have blank/NULL date values now works. It also sets any existing process step attributes that have a values of 30-Dec-1899 00:00 to be NULL (blank) instead. The functionality has been enhanced in Orchestrate version 7.78. Please upgrade to this version or above.
Attributes do not have a way of marking them as updated/excluded. If system parameter EnableUpdateProcessStepAttributeValues is enabled, all task attributes values will update their corresponding process step attribute values as they did previously.
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