This blog post deals with adding fake computers or users to a SCCM environment. Why would you want to add fake clients to a SCCM environment? You probably want to test something, maybe load test something, there can be multiple reasons. But since you are here, you probably have a reason, so let's move on :) I use the CM Client API to create a resource and I say resource because it can also be a user in addition to a computer. So, let's start with the prerequisites so you don't waste your time here. Configuration Manager Client Messaging SDK [...]