Hi Anthony,

Thank you for your constructive answer.

My question remains for me: call for me a lot of securityleaks. In this, my knowledge is not sufficient.

I think we understand each other. There are many tools which can customize objects in the AD (such as: http://www.tools4ever.com/products/user-management-resource-administrator/).

Why not SQL? All of our users (students...

Thanks for your replies.

However, MSC is not made to maintain 5000 users :-). I'd agree that SQL not is designed to manage AD, but there are too many classes...