AddSelf

AddSelf is a permission that a user or group can have over a group, being able to make themselves a member of it. In this environment, Infrastructure Managers will have AddSelf over Service Account Managers.

ADSI Edit

Open ADSI Edit, browse to your target group, right click it, go to the security tab, click on advanced and select Infrastructure Managers to add an allow entry.

Select the "Add/remove self as a member".

Written by ruycr4ft