The Red Overallocation Indicator (sometimes called the Red Guy, the Red Man, or the Burning Man) shows in the Indicators column when a resource is overallocated, as shown in the following illustration:
If you don’t want it to appear, you can right click over each task and select Ignore Problems for This Task as shown in the following illustration:
This can be quite tedious if you have a lot of tasks that you want to flag. Another option is to insert the column Ignore Warnings, change No (the default) to Yes, and then drag the value down all tasks, as shown in the following illustration:
Note that if you set Ignore Warnings to Yes while in Manually Scheduled mode, Warnings and Suggestions will be hidden (see the Milestone Minute on Warning vs. Suggestion).
Applies to: Microsoft Project, all versions since 2010.