Google Less Secure Apps Setting. The allow less secure apps setting may not be available for: Then, any user that you create in/move into that ou should have the allow less secure apps setting forced on, and it is possible to use gam to move users into/out of ous.

If less secure app access is on for your account because less secure apps can make your account more vulnerable, google will automatically turn this setting off if it’s not being used. L et’s consider the situation, you want to sync your gmail account with outlook (desktop email client), but google consider these clients as less secure, it will not allow you to sync your gmail account. Click here to access less secure app access in my account.
Please be note google strongly recommend this feature must be disabled for security purpose.
When you disable access to less secure apps while a less secure app has an open connection with a user account, the app will time out when it tries to refresh the connection. And for security reasons, if you have enabled google’s “two step verification” process for your gmail account then you won’t be able to enable the option of “less secure apps”. Lalu aktifkan allow less secure apps ke on. You may also check the gmail article on this subject.