Are there any tools available which can do the following?
- Create visual maps of Active Directory hierarchies.
Are there any tools available which can do the following?
Microsoft Professional Services has (or had) a tool called "Active Directory Topology Diagrammer (ADTD)" which creates Visio maps. It is included in the ADRAP toolset. Unfortunately, I believe it is not freely available; you'll need to arrange for a "Risk and Health Assessment Program for Active Directory" (PDF link) on-site engagement. It was one of the better "health checkup" services we've bought - A very thorough inspection followed by useful, implementable recommendations.
From the Readme:
Active Directory Topology Diagrammer (ADTD) The ADTD is used to create Visio diagrams of the customer‘s Active Directory environment. It can create a diagram of the domains, sites, application partitions, Exchange organization, and OUs. A copy of the tool is provided in the ..\Utilities\ folder.
Those are two totally different and unrelated topics, the question should really be split into two ones.
About the second one: what do you exactly mean by "manage Exchange email distribution"? If you are talking about managing membership of distribution groups, Exchange 2010 added support for this and for the preventive moderation of messages sent to groups.
The built-in MMC tools do it; they are GUI tools.
If that's not a good answer for you, please clarify in your question, much more specifically, what it is that you're looking for.