Naming convention fail
About 15 years ago I was shown around the server room of a well known independent media organisation.
They had settled on a naming convention for machines for ease of identification, each one denoting what type of platform it was, the core function it performed and the OS platform it was running. This did unfortunately mean that the (S)erver running (EXC)hange on Windows (NT) was branded SEXCNT01. Although its Disaster Recovery twin was DR-SEXCNT