Promoting Windows server 2008 via command line into a domain controller are pretty straight forward procedure. That is true for the first Domain Controller in the Forest. However, If you planning to deploy a second Domain Controller, which is best practice since the second DC provides redundancy for user account data and helps distribute the load for authentication and global catalog, there are some prerequisites you need to be aware of before you promote your server into a Domain Controller DC/AC which are not discuses in this post. (more…)