Mark works as a System Analyst for Blue Well Inc. He uses Microsoft Outlook for messaging and emailing. MS Outlook has been configured to use an Exchange account. Mark wants to run the AutoArchive…

Mark works as a System Analyst for Blue Well Inc. He uses Microsoft Outlook for messaging and emailing. MS Outlook has been configured to use an Exchange account. Mark wants to run the AutoArchive feature in every 10 days instead of 15 days, for all his e-mail folders. He opens the AutoArchive dialog box to disable the settings. However, the Run AutoArchive every n days check box is disabled. Which of the following is the most likely cause of the issue ?