The term Virtual Host refers to the practice of running more than one web site (such as company1.example.com and company2.example.com) on a single machine. Virtual hosts can be "IP-based", meaning ...

The server ignoring it almost likely means you screwed up the configuration, some how. Apache is appallingly poor at telling you when screwed your configuration up. Of course, we're appalling poor ...

First create DNS entries for each subdomain in the parent domain DNS record. Next use Apache's virtual host feature to configure the subdomains on the each VPS.

This simple example demonstrates how to get virtual hosts up and running quickly on your WAMP server.