IP Addresses and Client names
Terminal Services Log comes with connectivity monitoring reports which allow administrators to track all client names, IP addresses, and network ranges. The report shows source location of each user on a server. The report clearly shows information that is required for easier administration or possible intrusion detection.
Sample reports: 
Color Depths and Resolutions
End users connecting to a Remote Servers with 32-bit color over a slow WAN link might have problems with overall remote desktop experience. Administrators can use these reports to find these users or to generate other compliance required reports.
Sample reports:
RDP/ICA Network Traffic
The set of Network Traffic Reports allows administrators to easily track bandwidth usage for each user, server or over a given time span. In most cases the information provided will be used to bill customers based on network bandwidth usage but it can also be of value for server and network capacity planning and for overall monitoring of user activities.
Sample report: 
Client Build Numbers
Keep you end users up to date, and see who is using old client builds that can potentially cause an issue with connecting to Terminal Services/ Remote Desktop Services or Citrix XenApp environment.
Sample reports:
