Performing an Active Directory Health Check

SECTION 5Fixing Common Problems Found in AD Health Checks

This section will focus on some common problems that we’ve come across over the years, along with information on how to recognize these situations and how best to solve the problems.

Understanding Common DNS Problems

The vast majority of problems found in Active Directory can be directly attributed to DNS errors or DNS configuration. This is especially common when there is more then one domain in Active Directory. Consider, for example, a common configuration where a placeholder root domain was brought up to protect the enterprise-level accounts. We’ll call this placeholder root corp.root. As a peer to corp.root is the account domain companyabc.com. In this configuration, there are four ...