Clearing Do Not Allow Request converts the applicable validation from a blocking error into a warning.
When the request fails the validation, Workday displays the warning message but permits the user to save and submit the request. The request can then continue through the configured business process, where a manager or administrator can review, approve, send back, or deny it.
When Do Not Allow Request is selected, Workday prevents the employee from saving a request that fails the validation and displays an error. Clearing the checkbox does not cause Workday to correct the quantity automatically or present guided correction prompts. It only changes the validation's enforcement level.
This configuration is available for supported validations such as Maximum Unpaid Time Off Units Allowed, Consecutive Days Maximum, and Consecutive Days Minimum. Administrators can also define custom text to explain the warning and optionally place that text before the standard message. If Allow Override for Entry on Behalf of Worker is configured, authorized managers or administrators can proceed when entering an otherwise invalid request for an employee.
Study Guide reference: Time Off Validations - Do Not Allow Request .