Active Directory on EC2/VPC - Using Elastic IP in DNS
The basic use case is this: we want an Active Directory server running in an AWS VPC that can serve machine within the VPC, and in other locations. The AD DC has an Elastic IP to allow external entities to access it, specifically the DNS. However, due to the way Elastic IPs work the Windows network stack sees its IP as being in the 10.0.0.0/16 range of the VPC, and so, the dynamic updating of the DC’s DNS entries results in all the address pointers being to this private IP. ...