Servus

In order to enable users to join computers to the domain, grant the following permissions:

Being able to easily delegate access to domain systems is essential for administrators to enable necessary IT staff to manage their environments. The proper OU structure along with the deployment of Active Directory GPOs makes this a fairly simple task.
GPOs can be used to add users or groups to local admins or to replace [...]

Recently, the time on all of my domain computers was out of sync. Each computer in my domain had the same time, but it was about 10 minutes slow. Domain computers get their time from your domain controller(s), so I looked into syncing the time of my DC with an internet time server. The steps [...]

These are some notes I took at TechEd a couple of years ago.
7 Steps to Secure Environment:

Establish a Security Team
Security Assessment – What impacts our bottom line? What is normal?
Risk Analysis – For the Assets
Write a Security Policy. Enforce it.
Design Operations Plans and Security Standards
Implement Training and Awareness Measures
Perform Ongoing Security [...]