When the user logs in with a General User account, the user can access the user's account page on Basic > Security > User Login and the user’s settings on the basic page and the user's document box and shared document box pages. When the user logs in with an Administrator account, hidden pages are displayed and can be accessed. When setting up a Migration Project to O365 the option to Delegate access to the console is Greyed out as below this issue and no workaround is available. There might be several reasons why the guest login option is not enabled in your Macbook Pro, some of the major points which need to be checked is as follows, -> The main reason for the guest account option greyed out is that the FileVault application which you have enabled in your Macbook might have encrypted the system level settings and which in turn doesn’t allow it to the guest users.