Alan Renouf is a busy man and always seems to be one step ahead of the game. This is certainly true of his latest creation – vDiagram. Many of you may be familiar with the Active Directory Topology Diagrammer (ADTD), a tool available from Microsoft that pulls information from Active Directory and draws it in a Visio diagram. The diagrams that it produces can save a lot of effort in technical documentation and the same sort of thing has been missing for Virtual Infrasructure for some time. Alan's PowerShell script requires only PowerShell and Microsoft Visio 2003+ to produce a…